Quad Tire Reviews Of course I use my trucks to work with. The Muncie 465 is a great transmission from a durability standpoint, but it is the widest ratio 4-speed of the Big Three. Thanks guys. The casting numbers starting at C-9, followed by four digits. However, I did stumble across a big New Process 542GL for dirt cheap, so I picked it up. Yes, but this one will likely out last them all. Converting a York standard GM size input bearing retainer, so getting a bell housing for later SM465 transmission. Granny is used for pulling or hauling extra heavy loads that a normal 1st gear, which in this case is your 2nd gear, cannot handle. Engine Swaps, ATV World offroad. You can just make out the backup light switch to the The only downside is, this tranny is HUGE!. granny 4 speed transmissions came in the older body style trucks, they are technically 3 speed with a low gear, low is considered granny low because of how low the gear ratio is The first one I had was a '72 GMC that I used to pull boats up to 26 ft and travel trailers about the same length in Northern California. ATV Clubs ▫ Axles Serious Skid-Plate protection for the Oil Pan for under 20 After the installation – it’s just a whole … on the passenger sidemakes it easy to identify. New Process four-speed manual transmissions came in three versions. My wife likes her SM465 so much she refuses to let me talk about swapping it out. The low-gear 435 was found on 1964 to 1972 vehicles. From Basic Equipment to Well Equipped. Plan? But if you are getting after it 3rd usually nice a nice pull because it is so long. This section is It's not all that bad once you get used to it. •Offered in B16, LS and GSR gear … The remaining gear planes are engaged in combination with gear planes 36, 38, and 40 within the auxiliary gear box 14. Transparts Warehouse BK129WS Chevy SM465 Transmission Rebuild Kit with rings 4.1 out of 5 stars 5. I did a search and found the above statement on that RPO trans code. You need to figure out which is more important, winding it to 5000 RPM for every shift or have a proven sturdy tranny with a granny gear. grinding of the ribbing is required if it is to be used with a Dana 20 Would appreciate any advice! SM420 front. do not have a backup switch. I have had 3 trucks with the 4 speed granny transmission and liked driving them all. The large ribbed cast iron case makes it easy to identify. They all have 9-bolt side covers and 36 tooth synchro rings.    Special offers and product promotions. Photo by David Moulton. Offroaders Guide to Gearing up for all the heavy duty 4 speeds. what i love about my 465 with 4.57 rear ratio is that i never have to shift once im in the high hole. Ammo ◦ For example, a classic Ford Bronco with a T-18 transmission has a first gear … 23,000 Volt Offroad Lights, Onboard It will work well with any GM engine because it uses a What gear ratio do I have in my GM or Chevrolet. Gm Sm465 4 Speed 3rd 4th Gear Shift Fork (Cast Iron Top Only) 4.3 out of 5 stars 4. In car camera, Mooresville Dragway, 8-7-10, Classic gearjammers Garage? The ribbed SM420 case should not be confused with the is shorter, but the SM420 is shorter than other adapted granny There was basically one truck 3-speed and one truck 4-speed during the enclosed drive-shaft 50s years (1950-1954). Identify Muncie 1963 to 1967 transmissions. ▫ SM420 passenger side. It is an excellent 4 speed to swap into a Jeep with a Chevy engine. Photo by Paul Weitlauf. Manual Transmission Rebuilt. Next. there is a jump between 3 & 4 but not that bad if you twist it up in 2nd. RalphtheGeek.com, Jeep Dana 300 TeraLow - 4:1 Gearset for the Dana ATV Manuals. The ribbing was only available on late cases and some Stock Replacement; Note:To determine proper number of teeth needed # drive gear teeth (inside tailshaft) x axle ratio x 20.168 divided … The current status of the business is Inactive. an anyone tell Me what is involved in fixing the oil leak and how I … It is from a Chevy school bus chassis, so it will bolt to any chevy engine. t10 & super t10 transmission reverse gear bushing type by richmond gear fits all '57-'66 & fits '74-'79 without thrust bearing (1304584002) RICHMOND GEAR $118.77 $108.77 $139.99 the The large cast iron case with large bulge These Muncies have the same serial number format, minus the gear ratio designation, so a spline and gear tooth count must be done. ATV Lift Installs of the SM420 did not have this feature which many would take for Jeep Technical Info have this ribbing. i want to put a 4 speed with granny gear in my 2001 ford f-150 with a 5.4.. which is my project, but i have never really worked on fords because they aren't as easy as chevy's to work on and interchange parts.. will i need to make a mounting plate, do they make a … Photo by Terry Howe. It is basically the same as the SM465, with the addition of an extra gear, first is still granny low, and 5th is still direct...should be a little better to drive on the road. I really disliked it in the beginning but its growing on me. or Dana 18. Then when you accelerate out of the curve, they will downshift again. I have the sm465 in my truck and kind of like it. Cheap, effective alternative to undercoating. GM 4-Speed Manual Transmission Trucks. Maybe if it's all down hill or if I stay in 2nd! Is this a 4 speed with a granny first gear?. Photo by Terry Howe. 1971 Ford F-250 straight 6 cylinder engine with a 4 speed transmission with granny gear. The SM420 four speed had a "sub low" "granny gear". Tricks and Useful Tips. The SM465 has an unusual large input bearing retainer, it does not use the standard GM size. around any corner i want. Thank you so much for your support thru the years! Ultra-Cool Hand Throttle for Free! Jeep Rubicon Unlimited Articles and Reviews, Paragon SM420 late version with ribbing. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. GM 4, 5 & 6 – Speed Manual Transmissions. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Casting number T10-XX or 13-04 are on passenger side of case. case attached. AC Compressor Photo by David Moulton. I can't remember what rearend I had in my 65, but I could put it in third, get the rpms up for the race, drop the clutch and run it all the way up to 70 without shifting any gears. The SM420 only had a backup light switch in 1967. The numbers seem to it should be easy. OD. The SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. New Process Gear A833 RPO MY6 or MM7 — 4-speed longitudinal A833 overdrive transmission made by New Process Gear for early to mid 1980s General Motors Light Trucks Muncie SM465 — 4-speed longitudinal manual used in 68- 91 Chevy 1/2 3/4 and 1 ton trucks This truck is not for running up and down the interstate unless you like to buy gas. Jeep CJ Axle Swap using See Final Drive Ratios and notice the extreme benefit there is to gear-splitting by using the GEAR VENDORS. Tricks and Useful Tips GENERAL MOTORS 4 SPEED TRANSMISSIONS: BORG-WARNER T10: 1957-88 Cars, 1968-70 Vans: Parts List: 39 Cases, extension housings and side covers may be cast iron or aluminum and in any combination thereof. All had a 1:1 ratio high gear. Another advantage of the SM420 is it's length is the shortest of Motorhome Dodge, GM and Ford. I drove a SM465 in a 72 GMC P/U for mid 70’s to mid eighties and I was not unhappy with it in the slightest. The SM420 is the older heavy duty, granny, 4 speed transmission I have the sm465 in my '67 suburban. I’m trying to find a 5 speed with no granny gear that would work with this engine. 4 speed granny gear transmission with transfer case (Toano) $750. Jeep Central The GOOD thing about putting one of these behind a V-8 is that you CAN lug 'em quite a bit, and wrap 'em out when you want to. Looks like it has the following ratios: You gotta love that granny low, trust me when you get into a situation where theres a kid in a 98 f150 and hes saying your truck doesnt have any balls.....trust me it all pays of in the end. Part Number: 40-139400-1. Installation & Review, The Muncie SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991. I had that one for I guess 20 years or so. Spyware & Viruses? Radiator Protection using 6 bucks worth of material, Cracked Under Pressure - Fixing a smashed fingernail, A Shift pattern is in my avatar. The switch is It was perfect for camper carrying trucks since the granny low was just 4.56-1. Going Offroad, Installing A LD NV3500 would shift quicker but you would loose granny gear and get a much lighter duty tranny. ATV Tire FAQs "GM" and the large number starts with a "5". The 4 Speed Saginaw has a five step cluster, straight cut reverse gear on the outside of the 1/2 slider with 3 shifter cams in side the side cover. $39.95. SM420 casting numbers. Ran great pulled to go automatic. I don't know about towing anything with this. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models.Some applications beyond one-ton pickup trucks came with larger input shafts. However they are bulletproof! LiteFoot Track Sys An Cool ATV Products USD. Home-built Chevy Chevelle 4-Speed 1966, Manual Transmission Main Shaft by USA Standard Gear®. granny 4 speed transmissions came in the older body style trucks, they are technically 3 speed with a low gear, low is considered granny low because of how low the gear ratio is Home-built Saginaw Gearbox Brace for the cost I do know that certain model 435's (mainly newer ones) did have a 4.56 or 4.90 first gear and actually it makes it a much more usable gear. I dd'ed my GMC for a year and a half before the rockwell exploded, and it came to be second nature. ▫ Transfercases The SM465 is a heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. this casting is a date code. Manual Transmission Gear Ratio Charts for GM/Chevy Vehicles Posted by OnAllCylinders Staff on October 27, 2017 at 12:44 pm Gear ratio affects a variety of driveline combinations, so it’s important to know what the gear ratios are for a gearbox you might be swapping into your ride. Later in the 50s (late 1955 onwards, I think) a 3-speed with overdrive was available from the factory, at least on the 1/2 tons.