Gm 12 bolt casting numbers

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August undefined, 2024

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 … 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" ...

12 bolt id Chevy Nova Forum

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 … http://chevellestuff.net/qd/generic_rear_axle_info.htm bsp property

Chevy Block Casting Numbers: Full List Lookup [Free Download]

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://chevellestuff.net/qd/rear_axle_info.htm bspp shop

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

WebDec 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. WebJul 24, 2024 · GM 8.875″ Truck: GM. 12 Bolt: ... How To Decode Ford Part Numbers; How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8.5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End; How To Narrow a Ford 8.8 Inch Rearend; How To Rebuild a GM 10 Bolt Chevy 8.5″ Rear End; bsp projects south limitedWebMar 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. excise exemption wac

"WebSep 30, 2024 · The hole must be deep enough that the perch sits flat on the spring. You might have to grind off some of the top of the bolt head to get this with the limited depth you can drill your hole. I hope this helps, good luck. '63 Nova SS ; Owned since '68 ; Currently undergoing restoration. '63 Nova Sedan ; Homebuilt LS7 ; 200-4r ; Narrowed 12 bolt 3 ... " - Gm 12 bolt casting numbers

Gm 12 bolt casting numbers

Reference: Chevy Engine Block Casting Numbers - Chevy Hardcore

WebJul 2, 1998 · 3.08:1 to 3.73:1. 12 bolt. EDB30174. 4. 3.90:1 & up. Rear Axle Assembly Codes. The rear axle ratio may be determined by finding the two- or three-letter serial number prefix in the following table. The 1962-63 serial numbers are located on the front, right side of the differential carrier. The 1964 serial numbers are found on the bottom of … WebNov 2, 2006 · Joined Feb 1, 2001. 15,380 Posts. #2 · Nov 1, 2006. BS 0403 G2: Posi, 3.31 gears, 12-bolt, built April 3rd by Chevrolet Gear & Axle, 2nd shift. 3894860NF: GM 12-bolt casting number. The rest - 12345 7890 - are test marks. On the upper left on the back side, about the 11 o-clock position, will be the casting date that the center section was cast.

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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 … WebJun 19, 2016 · By now most of you know that I closed the deal on the 1966 Chevy II, L79 and will be taking the trailer over to pick up the car next week. I have found a 12 bolt posi rear end, casting number 3894860NF with …

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)* http://macswebs.com/70bsdemo/mischtm/rear_axle_codes.html

WebSep 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 … WebOct 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.

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" …

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 … excise duty rules in bangladeshWebMar 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. bsp property loanhttp://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 excise information noticeWebTwo 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 … excise inspector dressWebGM 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: … bspp stainless steel camlocksWebApr 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 … bspp stainless teeWebCode 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 … bspp tee fitting