Chevy 12 bolt casting numbers

Author: rsrk

August undefined, 2024

WebApr 12, 2024 · This is where i was looking and i decoded - L 4 8. but the other numbers i have are not there or maybe i m not finding them .... nor the axle codes. Oliver. Milano , … WebAug 23, 2006 · Ok, 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 ...

12 bolt rear end identification Team Chevelle

WebAug 16, 2024 · I have a GM1 12-bolt rear end with the same casting number. Mine came out of a drag car and has been narrowed, which removed the stamp marks on the tube. not sure what is original on this, but it has a type 4 carrier with 4.10 gears. The 30 spline axles have been shortened, and now use a bolt on keeper at the hubs rather than the c-clips. 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 … brow band horses

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WebJun 13, 2024 · Chevy 12-bolt identification. I recently picked up a 12-bolt rear and I’m having a hard time decoding the axle tube stamp. The casting number is 3959038 which is a (late) 1969 Chevy 12-bolt. The axle tube is stamped LE 0114K which to me looks like it may be for a 1970 GTO 455 but the LE code doesn’t exist for the 69-70 12-bolt, both for ... WebCasting Numbers. 12-Bolt Housing: Casting 1965 Chevelle 3859140 1966 Chevelle 3875745 ~ N3775745 *** 1967 Chevelle NF3894939 ~ N3894939 ~ N3775745 *** ... http://macswebs.com/70bsdemo/mischtm/rear_axle_codes.html browbands stones

Chevy 12 bolt casting numbers

Help identify this rear end! 12 bolt V8buick.com

WebJun 2, 2008 · Do an internet search and look for a site that shows the rear cover of a BOP 12 bolt and a Chevy 12 bolt for quick/easy identification. ... Neither of those numbers are the date code. The casting date (the date the center section was cast, not the day the rear end was assembled) is in one of the (4) triangle webs in the around the rear cover ... WebDec 13, 2003 · Here is what I know about it: It IS a 12-bolt case with a 10-bolt carrier that measures 8.5", not 8.2". It was only in Cutlasses from 1968-1970. It is Oldsmobile's version of the Chevy 12-bolt rear end. It has an odd-ball bolt pattern on the cover, and the cover is almost completely round.

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WebSep 19, 2013 · 10199001 Small Block V8 1993-1995 350, 4-bolt, LT5, Corvette ZR1, 405hp. 10243878 Small Block V8 1996-1997 305, 2-bolt, Vortec truck, roller cam, 1-piece rear seal. 10243880 Small Block V8 … http://wallaceracing.com/carrier-id.html

WebMar 21, 2010 · The center section casting number for a 12 bolt is 3894860NF while a 10 bolt number is 3894859NF maybe that can help if you get the casting numbers. Click..is … WebJun 13, 2024 · Chevy 12-bolt identification. I recently picked up a 12-bolt rear and I’m having a hard time decoding the axle tube stamp. The casting number is 3959038 …

WebMar 16, 2010 · It's worthless. The 12 bolt car Eaton Posi has the casting numbers ED32088, EDB30140 or EDB30174. The truck 12 bolt Eaton has the numbers EDB32212, EDB39414 or EDB32640. There might be a few others for the truck Eaton, but not for the car. All Chevy car and truck 12 bolt rear ends came with 30 spline axles (except the …

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 …

WebCasting No. Series Gearing ; 10 bolt 8.2" ED32118 : 2: 2.73:1 & down: 10 bolt 8.2" EDB30116: ... browband tie downWebGM 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: … everest realty palm coast rentalsWebNov 17, 1998 · Darren, the address and phone# is: Kenny Thomas Racing Enterprises, 10578 Mahoning Ave, Rt 18, North Jackson OH 44451. Phone#: 330-538-0400. "...take all of the 12-bolt shortcomings, fix them, then mix in the right mounting systems...". They advertise this casting for 78-87 GM A and G bodies and for 82 to present Camaros. browbandsWeb12-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" ... browband supplies nzWebSep 19, 2013 · 10199001 Small Block V8 1993-1995 350, 4-bolt, LT5, Corvette ZR1, 405hp. 10243878 Small Block V8 1996-1997 305, 2-bolt, Vortec truck, roller cam, 1-piece rear seal. 10243880 Small Block V8 … everest real estate investments llpWebJul 28, 2009 · alright guys need some help here. ive got a 12 bolt posi rear end with 3.31 gears. It was under my '80 Z when i bought it. I pulled some numbers off of it hoping yall could help me find out what its from. If your looking towards the rear of the car, on the drivers side there is a number on the lower part of the diff 3969341NF browband sizinghttp://chevellestuff.net/qd/rear_axle_info.htm browband tie down for horses