2024 Gm 12 bolt casting numbers

Gm 12 bolt casting numbers

Author: hhun

August undefined, 2024

WebIn 1970 the rear end was built in both 10 and 12 bolt versions. In 1971, GM instituted a standardized "corporate" rear axle. This rear end was available in a 10 bolt version only. ... Positraction Casting Numbers Due to the … WebTwo rear end casting numbers have been found on 12-bolt rear ends, #3894939 on 'early' models and #3917124 on 'late' models; casting #3917124 was also used on 1968 and early 1969 Chevelles but in the …

12 bolt identification Chevy Nova Forum

WebMar 21, 2010 · the PG could have been used in a number of cars and relates to a 3:36 gearing to a 3:07 and a 3:08 that I found so far. The center section casting number for a … WebSep 23, 2024 · The GM 8.875-inch, 12-bolt positraction came in many 1965 to '72 passenger cars. The pinion shaft on passenger cars' differentials was 1.625 inches in diameter, and the cover was oval, measuring 10.9375 … hazen and sawyer miami fl

GM 12-Bolt Differentials Hemmings

Web12-Bolt Housings by the Numbers. The casting numbers for the 12-bolt housings are typically found on the upper rear of the driver’s side of the center section. The casting numbers are simple to decode. The first … WebCasting Numbers: 12-Bolt Casting #3875745N 10-Bolt Casting #3875744N. The casting numbers/letters on rear end housings may have either a prefix or suffix of "N" or "NF" and no reason has been found yet why they may have one or the other. Prefix: Axle Ratio: CA: 3.08:1: CB: 3.36:1: CC: WebApr 5, 2010 · i've got a GM diff it's got 12 bolts on the cover and on the ring gear, i'm having trouble getting axle seals for it becuase i don't know what it came out of. i can't find … gojo wallpapers 4k for pc

Chevy 12 Bolt Identification It Still Runs

GM 12-Bolt Rearend Guide. How-To Identify That Swap Meet Find

WebJun 8, 2016 · This is in my 70 GS 455, it has 12 bolts on the rear cover, has the 8.5" ears on the bottom, but is not obviously a 10 bolt 8.5 Buick rear. I couldn't find any axle codes on the tubes or casting numbers on the lower bottom pumpkin that Chevy 12 bolts have. The only casting number is on the front of the pumpkin centered underneath which says CFD4. WebJun 23, 2011 · I have a GM 12 bolt rear axle. Casting # GM51 and NF3896839 on center housing. It has RV 0306 W 2 stamped on top of - Answered by a verified GM Mechanic. ... The engine casting number is XXXXX (the last 0 is possibly an 8 or 6) It was found on the rear, passenger side, of the engine. gojo wallpapers hdWebOct 1, 2011 · F- NF 3896838- casting number. I can't say all the applications this casting number was used on, but 1967-'72 Chevy C-10 trucks used it. Likely a wider range of years than this, but these two were the furthest apart I found while doing a quick look. Should have a 12-bolt cover. G- GM55- Foundry code. hazen and sawyer palm desert

"Web12-Bolt Passenger - 2.76 & down / 3.07 to 3.90 / 4.10 & up; GM Carrier Casting Numbers. Axle Type Casting No. Series Gearing ; 10 bolt 8.2" ED32118 : 2: 2.73:1 & down: 10 bolt 8.2" EDB30116: 3: 3.08:1 & up : 10 bolt 8.5" 410409N : 2: 2.56:1 & down : 10 bolt 8.5" ... " - Gm 12 bolt casting numbers

Gm 12 bolt casting numbers

Help identify this rear end! 12 bolt V8buick.com

http://chevellestuff.net/qd/rear_axle_info.htm WebMar 29, 2008 · I sold a 12 bolt yesterday and never paid attention to the casting number untill the guy loaded it up. The rear end was roughly 58 1/2 from flange to flange, I had thought it was out of an impala or truck due to the large trailing arms and lack of coil spring mounts. After compareing the chunk to one of my camaro rears, they were the same.

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http://wallaceracing.com/carrier-id.html WebJan 29, 2011 · The GM 12-bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing. This rear axle was available in GM's high-performance intermediate cars, full-size vehicles and light-duty trucks. ... Casting Numbers: 12-Bolt Casting #N3894939 (narrow early model year), #NF3917124 (wide late model year)*

WebCasting Numbers: 12-Bolt Casting # 3969278. 10-Bolt Casting # 3969277. The casting numbers/letters on rear end housings may have either a prefix or suffix of "N" or "NF" and no reason has been found yet why they may have one or the other. Codes below are for Chevelle & Monte Carlo. Prefix. Axle Ratio. CCA. WebApr 12, 2024 · The STAMPED codes are suppose to be on the passenger side front of the axle housing. These are not gang stamped and they're often not real deep either. GM …

WebMar 17, 2009 · There was no 12-bolt available in teh 1971 Camaro. 1970 was the last year of a 12-bolt in a Camaro. WILMASBOYL78 said: CBS tube stamp is a one year only code....1970 model year Nova 12 bolt.....3.31 posi. Date stamp on the casting is 11/14/69 casting number is correct for 1970 12 bolt.. Axle tube stamp is 11/24/69. WebCasting No. Series Gearing ; 10 bolt 8.2" ED32118 : 2: 2.73:1 & down: 10 bolt 8.2" EDB30116: 3: 3.08:1 & up : 10 bolt 8.5" 410409N : 2: 2.56:1 & down : 10 bolt 8.5" …

WebSep 19, 2013 · Here is a list of casting numbers, along with their original applications. Generation I Small-Block. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate …

WebApr 13, 2024 · Although not technically how it got its descriptive name, the easiest way to identify a 12-bolt rearend is obviously by the 12 bolts … hazen and sawyer philadelphiaWebAug 23, 2006 · If it is a Chevelle 12 bolt, it should have a 3969278 casting number, but that casting number was used from 70 to 72. To confirm it's a 70 you need to find the casting date on the rear of the drivers side web of the center section. Actually, in 1971 the format of the assembly code changed so it would look like CFC and a Julian datecode … gojo washroom accessorieshttp://chevellestuff.net/1969/rear_axle.htm#:~:text=Casting%20Numbers%3A%2012-Bolt%20Casting%20%23%203917124%20early%20model,has%20also%20been%20found%20with%20K88%20cast%20date hazen and sawyer number of employeesWebDec 22, 2006 · C242 is the casting date. I believe is March 24 , 1972. You did not specify if it was a 10 or 12 bolt housing or if it was original to the car. Therefore, look for the part number, it will be in the web facing forward. 7digits and will start with a "3". If it is truly a 72 unit. the 12 bolt housing will be 3969278. hazen and sawyer ny officeWebSep 24, 2024 · Oldsmobile's 12-bolt 8.5-inch rear assemblies were used in 1967-'70 Cutlass and 4-4-2. These differentials used a 12-bolt cover; the pinion is a 1.625-inch unit and … gojo wallpapers laptopWebGM 8.875" - Truck 12-Bolt GM 9.25" IFS (2010 and Older) Ring Gear Diameter: 8.875" Ring Gear Diameter: 9.25" Pinion Diameter / Spline: 1.438" / 30 Pinion Diameter / Spline: … hazen and sawyer p.cWebCode ID. 12-bolt axles can be identified by casting numbers on the bottom of the cast-iron center-section and on the front of the passenger side axle tube. This identifies the car … gojo walnut hand cleaner