4 speed muncie with overdrive for windows

Since your muncie or borgwarner is stronger than any nonrace 5 or 6 speed, the gear vendors is just he right way to get overdrive in your gm manual. Some also used a new process 4 speed of the same arrangement. From short tracks to drag strips and car shows to museums, the muncie transmission can be found in a variety of vehicles. It wasnt an overdrive though,intended to be used with tall rear gears. Several things are needed to identify a muncie fourspeed transmission correctly. This is where overdrive transmissions comein, but well get to those later. It has a granny low and so then just 3 normally usable ratios. Units will be disassembled, cleaned and rebuilt with new bearings, seals, gaskets and syncros. It is a good idea to understand the basics of your muncie 4speed before you start rebuilding the transmission. This layout is a 4speed transmission with four forward gear ratios in the main. Early c4 corvettes came with an od unit behind their 4 speeds. The new chevy zz4 engine and kugel independent rear end are new modern components the muncie just didnt fit in.

It was actually based on the t10 design and uses the same basic gear layout. Midwest muncie muncie 4 speed transmissions and rebuild kits. Jeff collins on racing muncie slick shift clutchless super duty m23 super case 4speed drag racing rockcrusher. Remove 3 4 synchro hub professional mechanic tip usually the gear and 3 4 synchro hub dislodge if you hold third gear and gently tap on the front of the mainshaft. The muncie 4speed transmission from general motors is one of the most popular and widely used transmissions in the racing and rodding industry.

I built my coupe old style as you can see, and i thought the muncie would fit that bill. The 34 slider and keys fell out when i removed the mainshaft. Brad, if you have microsoft excel on your computer try my gearing. Transmission expert and veteran author paul cangialosi has created an indispensible reference to muncie 4speeds that guides you through each crucial stage of the rebuild process. Since your muncie or borgwarner is stronger than any nonrace 5 or 6 speed, the gear vendors is just he right way to get overdrive in your gm manual performance car. Here is a question for the stick shift fans out there. The autogear muncie od gearset has been discountinued years ago, this. Transmissions are an essential part of hot rod builds. His new muncie book, due out in october of 2014, explores muncie rebuilding, performance tips, and history. Muncie 4 speed transmission parts,gears,bearing kits,synchro rings and more. Gm manual transmissions muncie m21m22 also m20 and bw t10 gear vendors owes a lot to the muncie close ratio trans. Standard transmission offers the service or just the gear set. They werent very common, shifters also hard to find unless reconfiguring can be done. I agree when it comes to flipping the 34 shift finger upside down to.

Muncie 4 speed transmission m20 m21 m22 rebuild dvd direct. Successfully diagnosing transmission problems is directly related to how well you understand how this transmission works. Faqs muncie 4 speed transmissions and rebuild kits. The internals are installed in the supercase, iron midplate and heavy duty tail.

According to paul cangialosi, muncie transmission historian, technician, and author of muncie 4speed transmissions. New process gear np435 4speed longitudinal transmission used in a select handful of 6772 gm pickups. Remove 34 synchro hub professional mechanic tip usually the gear and 34 synchro hub dislodge if you hold third gear and gently tap on the front of the mainshaft. Craigslist search, craigslist is no longer supported. Shock towers, coil over shocks and a 5th link are some of the upgrades to help performance and to prevent axle. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run.

A muncie differs from a saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The muncie 4 speed was created in response to the engine power levels in gm vehicles exceeding the limits of an earlier transmission, the borg warner t10 4 speed. Gear vendors overdrive gm 4 speed manual transmission gm manual transmissions use gear vendors to save gas or diesel fuel, extend chevrolet or gmc mileage. General motors 19631974 general motors high performance auto gear equipment 530 state fair boulevard, syracuse, new york 204 800 6343001, inside new york.

Guide to muncie m20, m21, and m22 fourspeed transmissions. The object of the dvd is to show how one person can rebuild a muncie 4. Tony vescio on gm 1963 to 1974 automatic to muncie 4 speed complete conversion swap kit. Transmission expert and veteran author paul cangialosi has created an indispensible reference to muncie 4speeds that guides you through each crucial stage. A muncie transmission differs from a saginaw transmission in that its reverse lever is in the tail. My pickup has 308 gears and 31 inch tall tires 2857015s turns about 2000 rpm at 70. One of the most common swaps involves a muncie 4speed. When it comes to choosing a 4, 5 or 6 speed transmission for your car, you have.

Super pro roaddrag race muncie super case m22 rockcrusher. The more interesting component they have is a m20 wide ratio gearset with the reduced helical gear angle of the m22. The oem muncie 4speed was aging, few clean used gearboxes were. We specialize in classic and current musclecar manual. The muncie fourspeed is as legendary as the cars that it was put into, with the m20, m21, and rock crusher m22 models all part of the hot rod vernacular.

The one i worked on was an 84, i dont know how long they used them. Many window and tank stickers exist from before 1966 that list cars as having m20s. The new muncie style 4 speed even in base form is a huge improvement over factory units. Learn how to disassemble and rebuild a muncie 4 speed transmission with this dvd. Gm muncie 4speed decoding the muncie 4speed transmission was used with many different gm models and engine combinations from 1963 through 1974. With such high usage of this transmission, the replacement and aftermarket. The reason is that 4th gear on a muncie style trans locks the input and output shafts together. Muncie four speed manual transmissions came in many gm models of the 60s and 70s. The recommend it only for people who have too much money already invested in their rear driveline to redo it. A new muncie gearbox would provide a solid foundation for highperformance and racing applications. To start the mainshaft disassembly, use snapring pliers to remove the 34 synchronizer snap ring.

Rebuilt muncie m20 wide ratio 4 speed trans, s code main case casting 38525, 78 cluster gear pins290012, date code p0729, correct for a 1965 corvette. I think that the 4 to 3 shift is the worst but its quite stiff in all forward gears not reverse i purchased it as a used unit it came with an old shifter that is very sloppy. The muncie 4 speed transmission from general motors is one of the most popular and widely used transmissions in the racing and rodding industry. Gm muncie 4 speed decoding the muncie 4 speed transmission was used with many different gm models and engine combinations from 1963 through 1974. His book on building and modifying manual transmissions is an amazon best seller. Upgrade to 5 speed from muncie 4 speed chevy nova forum.

The oem muncie 4speed was aging, few clean used gearboxes were available, the demand for muncie gearboxes was growing, and the aftermarket had an opportunity to make the muncie better. Times and requirements have changed making both the m21 and m22 the closest ratio production 4 speeds ever produced but also not practical for todays driving habits unless road racing is your thing. Milder gm cars used saginaw or borgwarner fourspeeds. It was primarily designed as a road race transmission. The new muncie 4 speed overdrive gear if youve wanted an overdrive.

I heard something interesting the other day regarding an overdrive 4th gear for a. Identifying muncie 4 speeds iii by paul cangialosi. I discuss some of the new oils today for manual transmissions and take apart a muncie 4 speed that welded up. They make 3rd gear the overdrive gear to get around this, and thus the shift pattern is all screwed up. It was used right up to 1971 in the ford pickup f100 with an overdrive.

Todays examples of the new car gear set ups are mustang gts with a 3. The overdrive is still a 4 speed, they make 3rd one to one and 4th od. No other book goes into this much detail on the identification of the muncie 4speed, available parts, selection of gear ratios, and the rebuild process. Dec 15, 2016 putting in a 4 speed muncie by one person. I convertedrebuilt a muncie m20 into a wide ratio m22 for my chevelle. Gl4 and gl5 oil transmission lubrication oils explained. Aluminum copy of the hurst steel part to mount a comp plus 4 speed shifter to a muncie 4 speed for a camaro or firebird.

The object of the dvd is to show how one person can rebuild a muncie 4 speed using basic shop tools. Muncie 4speed replaced with keisler 5speed hotrod hotline. A number of customers have asked whether we can build muncie in case overdrive gearsets like those they have seen in ford toploaders and chrysler a833s. No other book goes into this much detail on the identification of the muncie 4 speed, available parts, selection of gear ratios, and the rebuild process. Muncie fourspeed manual transmissions came in many gm models of the 60s and 70s. Munice 4 speed overdrive corvetteforum chevrolet corvette. Transmission expert and veteran author paul cangialosi has created an indispensible reference to muncie 4 speeds that guides you through each crucial stage of the rebuild process. The muncie 4 speed,was first designed in 1963,and lasted until 1974. General motors is an innovator of automatic transmissions, introducing the hydra matic in 1940.

The book gives lots of good information on all kinds of stuff about muncies, and the step by step disassembly and reassembly portion is great and has good pictures. The m21y overdrive gearset for the muncie 4speed in stock. Use muncie sm465, sm420, m21 andor borg warner t10 to extend engine life. Therefore without a total redesign 4th gear cannot be overdrive. There has been a great deal of misinformation about gl5. Brand new overdrive equivalent muncie 4 speed ebay. See final drive ratios and notice continue reading gm truck manual. How to build highperformance muncie 4speed transmissions. The close ratio gear box,gives you a fairly high first gear,with the rest of the gears fairly close together,for less rpm drop on your top end. Paul cangialosi has been involved in the manual transmission parts and rebuilding business since 1981. Early muncie side covers had a stud and the shift arm attached with a nut on the stud while the 1969 and later model side covers had a hole and the shift arms attached with a bolt. Why should you purchase a new muncie 4 speed from us. These gear boxes were used when power levels exceeded the limits of the early borg warner t10 4 speed. I have a m20 muncie 4 speed with advance adapter for 18 and 20 transfer that will go with the jeep.

How to disassemble, clean, and rebuild a muncie 4speed. Unfollow muncie 4 speed transmission to stop getting updates on. However, the larger window increases backlash between the gear and slider and. Muncie 4speed transmissions by paul cangialosi overdrive. Jeff collins on new auto gear super case muncie m22 4 speed rockcrusher streetstrip. Comes with a new 383 stroker from west coast engines, 495 hp 500km on new motor, poly engine mounts, shorty headers, 4 speed muncie transmission, new clutch, full ride tech suspension, all tubular control arms on air bags 4 wheel 4 piston wilwood brakes, drilled slotted rotors borgeson power steering, griffin aluminum dual fan electric rad, custom 2. Aug 10, 2008 some also used a new process 4 speed of the same arrangement. I know it doesnt have the good old muscle car 4 speed look, but it has overdrive. The new muncies being built today have some better ratios. Reviewed in the united states on november 23, 2019. Add to that, at 65mph the engine was running 3,500rpm couldnt stand the noise. One of the most common swaps involves a muncie 4 speed. Overdrive m21 muncie chevy message forum restoration. Gasser king on gasser muncie super duty m23 4 speed.

A fresh and easy way to borrow and read from your library. The r10 overdrive unit will be cleaned, inspected and worn parts replaced as needed. Each unit starts with a completely new gearset and all internals blueprinted by us. Tremec t56 6speed longitudinal manual overdrive made by tremec. The 3 4 slider and keys fell out when i removed the mainshaft. No hacking your floor trying to fit a 5 speed, no cross member modsjust a boltin and go. While the existing case limits our ratio opportunities, we can build a gearset with approximately the following ratios. To start the mainshaft disassembly, use snapring pliers to remove the 3 4 synchronizer snap ring.

Although the muncie 4 speed found it easier to handle engines growing power, its design borrowed from that of the t10 it was replacing and even used the same basic layout. If you want to learn about this stuff download our rpm calculator software for windows its free. Muncie 4 speed is hard to shift club hot rod forums. Muncie 4 speed transmission m20 m21 m22 rebuild dvd. I am planning to disassemble my spare four speed to replace a bad bearing. I guess i could have changed the rear end ratio from 3. All m2122 have the same 22% upshift and 28% downshift spread as the gear vendors. Muncie 4speed manual transmission auto gear equipment. Oct 07, 2014 the muncie four speed is as legendary as the cars that it was put into, with the m20, m21, and rock crusher m22 models all part of the hot rod vernacular. All brand new plug and play muncie 4 speeds with overdrive equivalent capabilities.