What did GM 12-Bolt come?
What did GM 12-Bolt come?
Trucks first started using 12-bolt rearends in the 1965 G-series vans and C-series pickups. They were used until the end of production in 1987. Blazers from 1969 through 1981 also used this differential (four-wheel-drive Blazers had it installed on the rear only).
Are all GM 12 bolts the same?
A different 12-bolt differential was used for light truck applications and those 12-bolt units are not interchangeable. Trucks started using them in the 1965 G-series vans and the C-series pickups, and they were used up until the end of production in 1981.
Are all Dana 60 carriers the same?
All Dana 60 housings use the exact same carriers whether high pinion or low pinion. The high pinions have the same gear break as low pinions. The thick gears are available so that you do not have to change carriers.
What is the carrier break on a Dana 44?
3.73 / 3.92
The Carrier Break for the Dana 44 is therefore referred to as 3.73 / 3.92.
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 big is a GM 12 bolt truck?
Description: * Fits 1970-1981 GM TRUCK 12 BOLT 2WD * Right and left hand side * 30 spline * 31 7/16″ long * 5 lug * 1541H Stronger than stock! Description: * Fits 1970-1981 GM TRUCK 12 BOLT 4WD * Right and left hand side * 30 spline * 31 7/16″ long * 6 lug * 1541H Stronger than stock!
What kind of gear does a 12 bolt truck have?
Description: This kit includes: Pinion Spider Gears Axle Side Gears Two Pinion Gear Thrust Washers Cross Pin Cross Pin Bolt DOES NOT INCLUDE SIDE GEAR THRUST WASHERS!! Fits:… More Details » Description: * Fits 1970-1981 GM TRUCK 12 BOLT 2WD * Right and left hand side * 30 spline * 31 7/16″ long * 5 lug * 1541H Stronger than stock!
Can a GM 12 bolt axle be interchangeable?
While both versions of the axle have similar specifications on paper, they do have unique differential carrier housings and most parts, including ring and pinion gears are not interchangeable. Because both axles are commonly referred to as GM 12 Bolt axles, it is important to know which version you have before ordering your parts.
How big is a GM 12T 5 lug axle?
GM 12T 5 Lug conversion axle, 65-69 30 ¾” early 30-spline 5X5 bolt pattern. Description: Rear Axle Bearing and Seal Kit – 1 Side – Includes Bearing and Seal 2.530″ Outside Diameter / 1.620″ Inside Diameter Fits: Chrysler 7.25″ Chrysler 8.25″ Chrysler 9.25″ Ford 8.8… More Details »