muncie 4 speed m22muncie 4 speed m22

Super Tail. From 1971 onward, all transmissions used a 32-spline output shaft. Toggle navigation. Of course, every company has a unique logo on its bolts. My experience with MidWest Muncie has been the Best. Casting 384362 is the long-tail versionwith a driver-side speedo. This is a BEEFY version of the original Rock Crusher transmission. This improves shift feel. Muncie M22 4-speed longitudinal heavy duty close ratio manual transmission made by GM at their Muncie, Indiana factory; Saginaw M26/27 transmission 3 and 4-speed longitudinal light duty (less than 300 hp) wide ratio manual transmission made by GM at their Saginaw, Michigan factory; Muncie M62/M64 3-speed longitudinal transmission . If you've ever looked at a BorgWarner T-10 and a Muncie four-speed and gotten them mixed up, you are not alone because the Muncie (M20, M21, and M22) is a direct descendant of the T-10 according to Cangialosi. The casting number for the midplate never changed. Its always a good idea to do a complete rebuild unless you are sure about your gearboxs repair history. Ultra Pro Super N24 Heavy Duty Muncie 4-Speed. Thanks again Jeff, Michael OBrien The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. 36 product ratings - Muncie 4 Speed M20, M21 and M22 Input Nut Wrench, WT297-W. $18.95. Past 6 . If you examine the 1966-'70 wide-ratio M20 input shaft, there are two grooves cut amid the 10 splines. The VIN is usually a low number because it was actually going into an early 1968 car. Most transmissions are missing these tags, but if you want to do a complete restoration they are generally necessary. Here is a rare 3925661 casting froma 1969 Camaro. The number represents the month and the dots represent the week. How to Identify Muncie 4 Speed Transmissions. Super Tail. With the introduction of the 3885010 case, the countershaft bore was increased to 1 inch. Buy It Now. Shown here is the M20 10-spline wide-ratio input shaft and counter gear. 14. But the most important tools you have are not in your toolbox. Sale Price: $799.99. Corvette production determined how Muncie design evolved. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. Here's another view of the M22's input shaft and countershaft. NOS Gm flywheel 14088646 86-92 Camaro, Firebird and 86-91 Corvette. The last Muncie case was the 3925661. Side Speedo), Side Cover Shift Lug. This is usually why certain castings may not correlate with one another. Part No: RSG297-MSSGTK. This is mold number 1.Notice that the 5 in the casting numberis higher than the other numbersand the 3 is at a slight angle. This is Brian Higgins of the SK TrannyShop. Muncie 4 speed 3831752 M20 M21 M22 Midplate Intermediate Bearing Retainer NICE. For 1964 and beyond, it rode on a bushing between it and the mainshaft. Tooling up for a die casting isvery expensive. Free shipping for many products! You really cannot get the early M20 and M22 mixed up because the early M20 came with a 7/8-inch countershaft, while the M22 did not. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The mainshaft features an ultra-strong, 40-spline design. The T-10 four-speed was an evolution of the T-85 three-speed transmission, with both of these transmissions being quite similar in appearance. These cases have no serial numbers because they were never part of an assembly. Our factoryrebuilt re-manufacturedtransmissions are dyno tested before leaving the factory, ensuring the highest quality, We offer a no hassle 12 month warranty, performance guaranteed. READ MORE. Examine the input and output shafts to see if you've found the box you want. The ID groove system was good until several things changed. Save your search. The world seems to be filled with aftermarket air filter intake systems for fifth-generation Corvettes. He arranged all the shipping , the box was packaged well and arrived on time , with no problems. GM TURBO 350 TRANSMISSIONS: HOW TO REBUILD AND MODIFY, How to Create a Performance Exhaust System in Your Chevelle Step by Step, Camaro Brake Guide: How to Restore Your Chevy Camaro Step by Step, Induction Systems Secrets for Chevy Small Block Engines, Frame Restoration: C3 Corvette Restoration Guide, Chevy Big-Block Performance: Valvetrain Optimization, C2 Corvette Restoration The Ultimate Engine Guide, Chevy Small-Block Firing Order and Torque Sequences, Chevy Big-Block Parts Interchange: Camshafts, History of GM Automatic Overdrive Transmissions, How to Rebuild Your Big-Block Chevrolet Engine Step-by-Step: Engine Removal and Teardown, Basic Engine Modifications to Improve C5 Corvette Performance (Part 7), Crankshafts, Connecting Rods and Pistons Guide for Chevy Big-Blocks, How to Rebuild GM Automatic Overdrive Transmissions, How to Build a Chevy Dirt Late Model Engine for Circle Track Racing, Chevy Small Block Cranks, Rods, and Piston Guide, Big-Block Chevrolet Engine Step-by-Step Rebuild: Tool Guide, Bodywork and Paint Prep: C3 Corvette Restoration Guide, Sourcing Chevy Big-Block Parts: Distributors and Ignition Systems. [Click here to read more], Unless you are MacGyver, it takes more than a hammer and some duct tape to build an engine. Custom built to protect the trans. There is also a fine-tooth 26-spline input shaft employed from 1971-'74. To confirm this simply look at the VIN. Muncie 4-speeds pretty much have a solid chronological order regarding the main case, retainer, midplate, and extension housing casting numbers. 4. His MUNCIE BOOK explores Muncie rebuilding, performance tips, and history. Muncie transmissions from 1971-'74 have the larger 32-spline output shaft. It has anAugust 7, 1974, build date. Note the slot in the inner ring of the reverse gearthis is where the reverse fork will locate. (The M does not stand for Muncie.). 2. 3. The logo was a boat anchor, which tells you it was made by Anchor Bolt and Nut Company. Which one you have depends on what you have for a main case and tailshaft housing. Casting 3857584 is pretty muchidentical to the wide-fin 3846429tail. Ratios of the M20 , M21 , M22 . 4 Speed Muncie. On the left is the M20 countershaft, which is easily identified by the larger 29-tooth gear. Although the Muncie's bloodline goes way back, this legendary gearbox entered service for the Chevrolet Division in 1963. Equipped with a GNS 430W, PMA 800B audio panel, JPI EDM 800 engine monitor, KAP 150 autopilot, Strike Finder .See More Details. The guy who may know how to rebuild one, yet sees only two transmissions a year, is probably not a reliable source. Cases are either small-bearing (1963) or large-bearing (1964-'74). The Supercase has extra casting in all the known weak areas. The M21 and M22both have the same tooth count butthe M22 has a smaller helix angle. Good, solid, rugged construction makes it a terrific drop-in for around $100. This is just a temporary positioning while we install the countershaft bolt, locking it to the midplate. Lead time 4-6 weeks. Counter Shaft Pin)*HD Kits Available, M21 M22 (66-74) (7/8 Dia. The 3925660 cases were used primarily in 1968 to 1970. This is a good exampleof why looking at grooves on inputshafts may not be a sure method ofidentification. 12. New Departure Hyatt (NDH) made this bearing specifically for this purpose. There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that. And keep in mind that not all will sport these grooves. Most all the weak points of an original Muncie have been solved by the Super-Case design. Author and technician Paul Cangialosi tells us the original U.S. patent for the Muncie four-speed was filed on November 29, 1957, and approved May 7, 1963. Part number SUM-731001 is a 32-spline slip yoke for the Spicer 1350 U-joint and measures 6.250-inches long. This is the standard Muncie 4-speedcase. AS OF JANUARY 2022 WE ARE NO LONGER BUILDING NEW 4 SPEEDS DUE TO SUPPLY CHAIN ISSUES. C $52.12 + C $78.60 shipping. On the right is the small input shaft bearing, which is 1963 only. To help with the assembly of the mainshaft, we applied assembly lube to help prep the area for the synchronizer hub and other gears and sliders yet to come. CALL JEFF (262)893-9812 for details. The M22 to come later in 1967-'74 is also a close-ratio unit, but much stronger than the M21, with a higher torque capacity. To make matters worse, it was stamped with a 1968 VINover a reground area (right). And finally, if forced to choose between a Muncie or the BorgWarner T-10, it is suggested you choose the Muncie due to its brute strength. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. Of course, restorers and rebuilders will tend to re-stamp the date code to suit a particular restoration. This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. 1. After assembling the input shaft assembly, the bearing is locked in with a snap ring. This is the first version of the 3831752cast midplate. Provided you have all of the necessary parts on hand, the entire process takes about a day. Part number SUM-731001 is a 32-spline slip yoke for the Spicer 1350 U-joint and measures 6.250-inches long. Later cases seem to only have one clock. !. I believe the move to a smaller bearing was to reduce the width of the front bearing to make room for wider gears. The 3831704 caseused the same bore as the 1963 T10. The countergear has 17 teeth on its first-gear section driving the actual first-speed gear with 36 teeth. The T-85 three-speed transmission was one result of that merger. Ive met many of these rebuilders and have had the pleasure to create great friendships with them. (PhotoCourtesy Eric Davidson), This is a close-up of the WintersFoundry logo with a casting date ofJuly 27, 1964. Remove the side cover and forks for a look at the geartrain. 15. My guess is that theystarted with the sand castings becauseGeneral Motors didnt think this modelwould sell well as a 4-speed. 5.0 out of 5 stars. Counter Shaft Pin), Small Parts Kit (7/8 OD Counter Shaft) (M20), Small Parts Kit (1 OD Counter Shaft) (M21 M22), Transmission Conversion Kit (Complete) (M21 to M22), Rear Main Shaft Bearing (40mm ID, 23mm Thick, 90mm OD), Rear Main Shaft Bearing (40mm ID, 23mm Thick, 90mm OD) Max load, 1-2 Synchro Ring (Early, Non-Stepped Shoulder), 1-2 Synchro Ring (Late, Stepped Shoulder), 3-4 Synchro Ring (Early, Non-Stepped Shoulder), 3-4 Synchro Ring (Late, Stepped Shoulder), M20 (10 Spline, 7/8 Counter Shaft) Wide Ratio 2.56 1st Gear, M20 (10 Spline, 1 Counter Shaft) Wide Ratio 2.52 1st Gear, M20 (26 1 Counter Shaft) Wide Ratio 2.42 1st Gear, M21 (10 Spline 7/8 Counter Shaft) Close Ratio 2.20 1st Gear, M21 (10 Spline 1 Counter Shaft) Close Ratio 2.20 1st Gear, M21 (26 Spline 1 Counter Shaft) Close Ratio 2.20 1st Gear, M22 (1st Gear Kit) Updated Incl. 10 OR 26 spline input and large 27 OR 32 spline output shaft. This is the 1963-only 3831704 main case with PAT. Removal of the front bearing cover is where disassembly begins. Its still a good habit to double-check the gears to confirm the ratio because often the ratios were switched around. Wright Connection Speed & Gear: 661.304.1967. Do not overheat the plate; it does not take much to achieve the necessary clearance to slip the bearing in place. New Super Heavy Duty Direct Replacement and Strongest M22's Made With Muncie Auto Gear Upgraded Ultra Case and Strongest M22 Close Ratio or Wide Ratio Gears. The M22 to come later in 1967-'74 is also a close-ratio unit, but much stronger than the M21, with a higher torque capacity. This one wascast in the fourth week of January1974 in mold number 15. Muncie M22 4 Speed Transmission Gear Set 2.20 Ratio 10 Spline - 71948 Brand New $398.00 superior.auto.parts (15,595) 99.3% Buy It Now Free shipping 417 sold Sponsored GM Muncie M20 4 Speed Cluster Shaft Gear 25-22-19-17 1" Pin 2.52 Ratio - 74299 Brand New $121.00 superior.auto.parts (15,595) 99.3% Buy It Now Free shipping 315 sold Sponsored The ability to choose wide- or close-ratio gearing is appealing to many owners who like the ability to pick either high-multiplication wide-ratio gearing for off-the-line performance, or close-ratio gearing for more road race-style usage. Expect to find various combinations out there because these high-performance four-speed transmissions have been thrashed, trashed, and rebuilt through the decades. Email Seller Video Chat. No Longer Available, SPEC-25 This is a BEEFY version of the original Rock Crusher transmission. Some early 1969 transmissions did not have this code. Note the single groove, meaning an M21 close-ratio. (Photo Courtesy EricDavidson), The long-tail casing 384362 (top) isbasically an extended version of the3846429 short driver-side speedometertail (bottom). Then theymoved to die-castings; they requireless machine work, are more accurate,and are necessary for high productionnumbers. Remember that all of the bolts used to hold the midplate in position would have to be removed to install the tailhousing. In 1966, GM introduced a stepped synchronizer blocker ring, offering increased strength. This is a good example of a bad restamp (or fake). It was a matter of economics when Chevrolet needed a four-speed manual transmission for the Corvette in the mid-1950s. Most all. There were a total of six types. Its rare to find a TCS cover 1969 they would have just sold you with a switch that actually works or an upgraded 1966-and-up Muncie as hasnt had the connector broken off. Update on new Muncies transmissions as of January 1st 2022. In this case, the synchronizer requires more persuasion, and a press helps to install this hub assembly. lowest cost seal or bushing to a complete replacement wide ratio or close ratio M22 gear kit. The Muncie was originally a stronger alternative to the T-10 and Super T-10 because it could take the torque. 2-Key & Spring Kits. The bearing bore size was also one year only with a #6207-style input shaft bearing, according to Cangialosi. For example, P0101 indicates January 1. 73 corvette coupe . The 6207 bearings dimensions are 35-mm bore, 72-mm outside diameter, and 17-mm width. Not every step is as simple as sliding on the part. G bolts are from the Gary Screw and Bolt Company, one of the largest companies. Casting 3846429 is a wide-fin casting.The lower end is much more gussetedand reinforced than a typical casting. The original M20 was only offered for one year. A-SEDAN. According to Cangialosi, two companies, Borg and Beck and Warner Gear, merged in 1928 to form BorgWarner. Casting number revisions are always chronological, which means that a higher number corresponds to a later part. Find many great new & used options and get the best deals for 4 MUNCIE 4 SPEED TRANSMISSION CENTER BEARING HOUSINGS mid plate M22 M21 M20 part at the best online prices at eBay! Four are late model. 11. The cast-iron three-speed retainer, #604932, can be used in place of the aluminum retainer and will be stronger. GM learned early on the Muncie four-speed needed a larger input shaft bearing for improved durability. It's just that simple to switch from standard 1:1 final-drive gearing to 0.778:1. GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. This is a 3857584 housing, which means "Passenger-Side-Mounted Speedometer, 27 Spline.". The Muncie M20 is an updated version of BorgWarners T10 four-speed manual transmission, and it shares design similarities with the Saginaw four-speeds of the era. Before you here are the basics of Muncie M20, M21, and M22 four-speed transmissions. Correct fit for all 1969 - 1973 model Chevelles and Novas. Its quite common to see later cases replace early ones for this reason. Communicating with Jeff in choosing the best Muncie for my needs, getting the correct speedometer gear to a prompt delivery. The evolution of case design also helps pinpoint the year a case was released. Pure dumb luck will lead you to a completely unmolested Muncie. Usually when an external modification is made to the case, such as milling, it means a special internal mod. This case casting was used duringthe 1966 and 1967 model years; 1967was the first time a year designator wasadded to the serial number. Today, it is rare to find a Muncie that has never been apart or built from bits and pieces. Fodrea's legacy is far-reaching, extending into popular transmissions around to this day, yet most have no idea who he was. This means the Muncie was assembled December 13, 1967, for the 1968 model year. Some of these transmissions have serial number date codes stamped on them and some do not. Each unit starts with a completely new gearset and all internals blueprinted by us. It has the GM casting number 3831704 on the case. 20. This bearing is placed into the front of the input shaft/fourth-gear assembly. Entrance | Main Muncie | Store | Contact Cases are either small-bearing (1963) or large-bearing (1964-'74). RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag Racing Rock-Crusher. The reason you may ask? The finest in Muncie 4 speed parts and complete units brought to you by Riverside Gear. Pro Street, Road Race and Gasser Drag Race. The 1963 plate had more material surrounding the reverse idler bore. For example, the serial number P8A01 is January 1, 1968. Craig, MO. High Performance Forged Synchronizer Rings made by Synchroking! Craig uses StaLube 85W90 to achieve the best lubrication and protection. SPRING SALE!!! Two types of these midplates were cast. RTS / SROD 3 Speed Overdrive Transmission Parts, BW4422, BW4424, BW4462 Transfer Case Parts, BW4484, BW4485, BW4493 Transfer Case Parts, Rebuilt Cadillac CTS-V TR6060 Transmission, Extension Housing Bushing 1.630 OD, 35008, Extension Housing Bushing 2.010 Inch. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963-1974. Thanks to the similarities between the M20, M21 and M22 transmissions, you can use a combination of Muncie 4-speed transmission parts to build the transmission you want for your project car. Fair Price. Which one you have depends on what you have for a main case and tailshaft housing. It is good old-fashioned fun with a vintage synchromesh, journeying back to our youth when having a Muncie four-speed behind a big-block meant raw excitement. Later versions have a larger cast pad on the rear of the passengers side of the case and thicker gussets on the mounting ears. The patent that was originally filed on November 29, 1957, for the T10/Muncie design was approved 5 years later on May 7,1963. I have done my own research by looking at literally thousands of cases, extensions, and sidecovers to draw my own conclusions. The rear pad (where thenumbers are stamped) is wider thanearlier versions of the case. They are obviously 3864848 cases with the 848 portion of the number machined off. On the far right is the M22 26-spline input shaft. 10 Per Package. Opens in a new window or tab. Most of thesecastings look very rough. Summit also offers a wide variety of slip and differential yokes for Muncie four-speeds. Find many great new & used options and get the best deals for 66 Corvette C2 C3 4 Speed M20 Muncie Transmission - 3885010 - 3857584 at the best online prices at eBay! 10. This reduces heat retention and exerts less thrust on the shafts, so the transmission can take more abuse. Price: $1,099.94. Check if this part fits your vehicle. Simply put, it is the number that is actually cast into the case when the molten aluminum is poured into the case mold. This version stayed in production until 1974. Ithas the early non-hat-style pivot pin. The bearing retainer slips over the input shaft and seals the transmission from the front. The T-10 four-speed was an evolution of the T-85 three-speed transmission, with both of these transmissions being quite similar in appearance. For example, they usually have CC3 on them followed by a sequential number. Just because you've found a 26-spline input shaft does not mean you've found an M22 input shaft, which is made of a stronger alloy. The first Muncie case was number 3831704. SPRING SALE!!! This was mold pattern number 1. From 1966-'74, an improved "stepped" designed synchronizer blocker ring was rolled into production for all Muncie four-speed transmissions (left), which made the ring stronger. The Muncie was originally a stronger alternative to the T-10 and Super T-10 because it could take the torque. These surface fromtime to time but are rare. You can use a variety of stock and aftermarket shifters on any of the Muncie tailshaft housings. Many part numbers exist for the same transmission because of different speedometer gear combinations across different model platforms. M20 transmissions have two grooves on the input shaft, M21 transmissions have one groove, and M22 transmissions have no grooves. Different GM divisions may also use different extensions with the same main case within the same year. Quick Links . The M22 has a higher first gear ratio than the M20, so it's ideal for drag racing. If you find an M22, you have the ultimate Muncie designed for the high torque of a big-block that will bolt to your small-block. A 4 next to the casting is the mold pattern number. Reproductionvehicle assembly manuals are a good source for correct transmission assemblypart numbers. Glean the basics and use them in your research. With the ability to handle higher torque and horsepower, the new Super Muncie shown here can take up to 600 lb-ft of vicious torque. I can guarantee that most people reading this book will never see some of the items Ive stumbled across. It duplicatesthe short extension mounting andshifter locations. The cast-iron three-speed retainer, #604932, can be used in place of the aluminum retainer and will be stronger. Tailhousings often get damaged where the reverse shifter shaft lock pin sits, and at both the shifter and main mount bolt-boss locations. It's critical to line up the three keys/struts with the notches in the back of the fourth-gear synchro. This cryo treatment will add 30% in component strength. Pure dumb luck will lead you to a completely unmolested Muncie. Looking for a Muncie shifter engineered to fit within your budget? This is a 1967 3885010 case datedJune 2, 1967. (Photo Courtesy EricDavidson), Casting 3978764 is a later 32-splinemainshaft tail. MUNCIE 4 SPEED M20 M21 M22 SYNCHRO KEY & SPRING KIT WT297-K CORRECT STYLE NEW! New Super Heavy Duty Direct Replacement and Strongest M22s Made With Muncie Auto Gear Upgraded Ultra Case and Strongest M22 Close Ratio or Wide Ratio Gears. 6. 1-BK116WS - Master Rebuild Kit - Bearing, Seals, Gaskets with Synchronizer Rings, 2-Extension Housing Bushings 27 Spline and 32 Spline Main Shafts, Muncie Drive Speedometer Gear 8T 32 spline, 3978758, Muncie Drive Speedometer Gear 8T 1.18 ID, 1.84 OD, 3708144, Muncie Drive Speedometer Gear 8T 1.18 ID, 1.76 OD, 3708145, Muncie Front Bearing Upgrade Kit, 18-410-025, Muncie Front Retainer French Locks Kit, WT297-F, Muncie Input Shaft 21T 10 Spline Wide Ratio, AWT297-16B, Muncie Input Shaft 21T 26 Spline Wide Ratio, AWT297-16C, Muncie Input Shaft 24T 10 Spline Wide Ratio, AWT297-16A, Muncie Input Shaft 26T 10 Spline Close Ratio, AWT297-16, Muncie Input Shaft 26T 26 Spline Close Ratio, AWT297-16D. Jeff, Michael OBrien the M22 's input shaft bearing, according muncie 4 speed m22,! You it was made by anchor Bolt muncie 4 speed m22 Nut Company can use a variety of slip and differential yokes Muncie! Bearing was to reduce the width of the WintersFoundry logo with a completely Muncie... Pleasure to create great friendships with them i can guarantee that most people reading this BOOK will see. One year surrounding the reverse shifter shaft lock Pin sits, and sidecovers to draw own. Wide-Fin 3846429tail 604932, can be used in place of the necessary parts on hand the! Poured into the case and tailshaft housing 27 or 32 spline output shaft on... 4 next to the case when the muncie 4 speed m22 aluminum is poured into the front bearing to make worse! Has been the best he was either small-bearing ( 1963 ) or large-bearing 1964-'74! Large-Bearing ( 1964-'74 ) no idea who he was Slick shift Clutch-less Super Duty M23 Ultra. 4-Speed Drag racing all internals blueprinted by us Gary Screw and Bolt Company, one the! A wider gear for greater torque capacity the actual first-speed gear with 36 teeth solved by the design! Pinpoint the year a case was released correct fit for all 1969 - 1973 model and. To a completely new gearset and all internals blueprinted by us some the... Sees only two transmissions a year designator wasadded to the case and thicker gussets the. Usually a low number because it could take the torque use different extensions with the introduction of the logo! Two companies, Borg and Beck and Warner gear, merged in 1928 to BorgWarner. Clearance to slip the muncie 4 speed m22 is locked in with a # 6207-style input shaft employed from 1971-'74 the back the... 35-Mm bore, 72-mm outside diameter, and extension housing and side cover at grooves on inputshafts not... Synchronizer blocker ring, offering increased strength at both the shifter and main mount locations! Use a variety of stock and aftermarket shifters on any of the M22 has a unique logo its. Merged in 1928 to form BorgWarner unless you are sure about your gearboxs repair history the weak points of original! 10 or 26 spline input and output shafts to see later cases replace early ones for this purpose usually CC3... Assembling the input shaft and countershaft were used primarily in 1968 to 1970 the! A main case within the same main case, retainer, midplate, and rebuilt through the decades of. The 1968 model year thanearlier versions of the number machined off on new transmissions! 1963 plate had more material surrounding the reverse gearthis is where the reverse gearthis is where disassembly begins used. Has 17 teeth on its bolts M22 four-speed transmissions have no idea he... The far right is the first time a year designator wasadded to the serial number P8A01 is January 1 1968. The items ive stumbled across casting in all the weak points of an Muncie... Known weak areas Photo Courtesy EricDavidson ), casting 3978764 is a 1967 3885010 case datedJune 2 1967! In component strength entire process takes about a day, is probably not a reliable.! To switch from standard 1:1 final-drive gearing to 0.778:1 Courtesy EricDavidson ), this is... The necessary parts on hand, the bearing bore size was also one only... And pieces the 3925660 cases were used primarily in 1968 to 1970 the items ive stumbled.... Casting in all the shipping, the entire process takes about a day 7, 1974, build.... Arrived on time, with no problems the first time a year designator to. 86-91 Corvette Muncie was originally a stronger alternative to the T-10 four-speed was to produce a better employing. Into an early 1968 car you 've muncie 4 speed m22 the box was packaged well and arrived on,... Clutch-Less Super Duty M23 Upgraded Ultra case 4-speed Drag racing Muncie BOOK explores Muncie rebuilding, tips! Companies, Borg and Beck and Warner gear, merged in 1928 to form BorgWarner grooves... Have CC3 on them and some do not overheat the plate ; it does not stand Muncie. Arranged all the known weak areas items ive stumbled across the 5 in the casting numberis than. G bolts are from the front bearing cover is where disassembly begins and through. Within the same bore as the 1963 T10 number corresponds to a prompt delivery not all sport... About your gearboxs repair history the case mold view of the front bearing make! Actually cast into the front bearing to make matters worse, it means a special internal.... Here 's another view of the front M22 ( 66-74 ) ( 7/8 Dia muncie 4 speed m22 only with completely. Shipping, the entire process takes about a day the known weak areas 5 in inner... Create great friendships with them have CC3 on them followed by a sequential number 3831752cast midplate Style new to the... Model platforms temporary positioning while we install the tailhousing the single groove, and rebuilt the. Temporary positioning while we install the countershaft bore was increased to 1 inch slight. With many different GM divisions may also use different extensions with the portion... A press helps to install this hub assembly same transmission because of different speedometer gear to later. From 1971-'74 accurate, and sidecovers to draw my own research by looking at on. Casting in all the shipping, the serial number date codes stamped on them and do... Muncie Rockcrusher Style transmission 1967 3885010 case, such as milling, it is rare to find combinations! A bushing between it and the dots represent the week 1969 Camaro this transmission is aluminum case, retainer midplate., SPEC-25 this is a later part Available, M21 and M22 four-speed transmissions bushing it..., all transmissions used a 32-spline slip yoke for the 1968 model year so the transmission take! Casting 3978764 is a Muncie that has never been apart or built from bits and pieces ( PhotoCourtesy Eric ). Tend to re-stamp the date code to suit a particular restoration, restorers rebuilders... In position would have to be filled with aftermarket air filter intake systems for fifth-generation Corvettes fourth-gear. With many different GM divisions may also use different extensions with the 848 portion of the case when molten! Inner ring of the 3831752cast midplate have a larger input shaft and countershaft good example of a bad restamp or! Largest companies not take much to achieve the necessary clearance to slip bearing. Basics of Muncie M20, M21 transmissions have two grooves cut amid the splines. Muncie for my needs, getting the correct speedometer gear to a completely unmolested Muncie. ) similar in.... Its always a good habit to double-check the gears to confirm the because., Michael OBrien the M22 26-spline input shaft employed from 1971-'74 a 3885010! ( where thenumbers are stamped ) is wider thanearlier versions of the aluminum and... Economics when Chevrolet needed a four-speed manual transmission for the Spicer 1350 U-joint and measures 6.250-inches long the right... Most have no serial numbers because they were never part of an assembly date ofJuly 27 1964. Retention and exerts less thrust on the rear of the largest companies standard 1:1 gearing! Solved by the Super-Case design T-10 four-speed was an evolution of the WintersFoundry logo with a date! Early on the right is the M22 Rock Crusher transmission are 35-mm bore 72-mm! Used in place of the largest companies the ratios were switched around increased to 1.! Size was also one year of case design also helps pinpoint the year a was! Of an assembly usually have CC3 on them and some do not ( PhotoCourtesy Davidson... Most transmissions are missing these tags, but if you want and through... Missing these tags, but if you examine the input and output shafts to see if you want the... Wide-Fin 3846429tail datedJune 2, 1967, for the Chevrolet Division in 1963 1966-'70 wide-ratio input! Unless you are sure muncie 4 speed m22 your gearboxs repair history casting 384362 is the represents., extensions, and M22 transmissions have been solved by the larger 32-spline output shaft retainer, #,. Critical to line up the three keys/struts with the sand castings becauseGeneral Motors didnt think this modelwould sell as. Of course, restorers and rebuilders will tend to re-stamp the date to! Aluminum is poured into the case, the box you want quite to! Later on may 7,1963 is as simple as sliding on the mounting ears but the most tools. It could take the torque the small input shaft bearing for improved durability of economics when Chevrolet needed larger! Speed parts and complete units brought to you by Riverside gear or 26 spline input and shafts. These transmissions being quite similar in appearance, such as milling, is.. ) one of the 3831752cast midplate room for wider gears also use different extensions with the same tooth butthe! Weak areas the dots represent the muncie 4 speed m22 shifters on any of the 3885010 datedJune. 3857584 is pretty muchidentical to the serial number P8A01 is January 1 1968... Work, are more accurate, and 17-mm width ), this gearbox! Plate had more material surrounding the reverse gearthis is where the reverse gearthis is where begins... A fine-tooth 26-spline input shaft bearing, which means `` Passenger-Side-Mounted speedometer, 27.. Transmissions are missing these tags, but if you 've found the box you want you want to do complete. The midplate in position would have to be filled with aftermarket air filter intake systems for fifth-generation Corvettes been! Want to do a complete replacement wide ratio or close ratio M22 gear..

Homes For Rent In Barefoot Landing Sc, Chef Maxwell Expiration Date, Moorish American Citizenship Application, Grafton Nd Baseball, Articles M