How can I tell what 10 bolt rear end I have?
How can I tell what 10 bolt rear end I have?
The easiest way to identify the 8.2-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonal protrusion at the top.
How can you tell a 10 bolt from a 12 bolt?
First, the 10-bolt’s pinion shaft diameter is 1.438 (25 splines) while the 12-bolt is 1.625 (30 splines) which makes the 12-bolt 13 percent larger in diameter and therefore stronger. But it’s rare to see pinion shafts twist. The weak point is actually out at the axle splines.
How do I know what rear end GM I have?
All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrain’s differential identification page (see References). A visual chart of different GM/Chevrolet rear ends is found on Ring & Pinion’s differential types web page (see References).
How do I identify my old Endmobile rear end?
Buick and Oldsmobile axles can be identified by their code, usually found on the right rear side of the differential carrier or on the passenger side axle tube. The axle code, if on the differential, is comprised of one or two letters for 1964-’70 models, followed by a three-digit build date.
How do I identify a GM 10-bolt posi?
The rear cover’s shape and the number of bolts are identifying features for GM rear differentials. The round 10-bolt cover with a bulge for the ring gear identifies this axle assembly as an 8.5-inch 10-bolt. The two lugs on the lower case at the 5 and 7 o’clock positions are also identifying features.
What size is the pinion nut on GM 10-Bolt?
8.5″
PYN10 – 10-Bolt 8.5″; Pinion Nut (30 Spline Pinion)
What size is the pinion nut on GM 10 Bolt?
What is a 10 bolt differential?
The 10-bolt differential cover is located on the rear of the axle and is an 11-inch x 10.25-inch oval. Another 8.2-inch axle was built for B-O-P applications and is commonly found in earlier GM mid-size cars. The 10-bolt, 8.2-inch differentials use . 375-inch right-hand thread bolts in the ring gear.
How wide is a GM 10 bolt?
The Chevy’S-10-bolt differential cover is oval in shape and measures 11 inches by 10.25 inches.
How can I tell what rear end my Silverado has?
Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box.
What is a 10-bolt differential?
How much horsepower can a 8.2 10-bolt handle?
Roughly 550 to 600 HP total. No slicks, drag radials. No problems with the 8.2 at all. I used the stock diff., the Auburn would be better.
How can I tell what year my 10 bolt rearend is?
Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. Many times, if you locate a 10-bolt rearend, it’s usually a 7.5-inch unit. These have been around since 1975, and were installed under cars, small trucks, and vans up to the 2005 model year.
What size are the bolts on a 10 bolt differential?
The 10-bolt, 8.2-inch differentials use .375-inch right-hand thread bolts in the ring gear. The 8.5-inch pinion diameter is 1.625 inches, whereas the 8.2-inch is smaller at 1.435 inches.
What year is the VIN number on a 1967 Trans Am?
1967-69 Trans Am & Firebird VIN Decoder Year Code 1967 7 1968 8 1969 9
What year did GM start using 10-bolt axles?
First appearing in the 1970 as a corporate replacement for the 10-bolt 8.2-inch or the 12-bolt 8.875-inch, the 8.5-inch 10-bolt was used in many different models by every GM division, with the exception of Cadillac, during the 1970s.
