What rear end is in a 1971 Nova?
Registered. If it has 30 spline axles, it’s not original. All of the 1971’s (AFAIK) got the 28 spline 8.2″ rear axle.
How wide is a 71 Nova rear end?
MEASURED ACROSS WHEEL MOUNTING SURFACE
| Year | Classic Vehicles | Width Rear |
|---|---|---|
| 68-72 | Nova | 60″ |
| 78 & up | Monte Carlo, Regal, etc. with 10 bolt axle | 58″ |
| 68-72 | Chevelle with 10 bolt axle | |
| 89 | Trans AM (Disc brake) |
What rear end is a 1972 Nova?
Yeah, 1972 was the first year for the 8.5, 10 bolt rear end in the Nova.
How do I identify my 8.5 gm rear end?
Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. If it takes a 1/2-inch wrench to remove it, it’s an 8.2. If it takes a 5/16-inch wrench to remove it, it’s an 8.5.
What’s better 10-bolt or 12-bolt rear end?
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.
How wide is a GM 10-bolt rear end?
The 8.5-inch 10-bolt rearend was used in cars and trucks over a wide range of years. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. It was used in different models by all GM divisions – with the exception of Cadillac.
What body is Chevy Nova?
Officially called the Chevy II Nova 400, the high-end model was available as a two- or four-door sedan, four-door wagon, two-door convertible or two-door hardtop coupe (hardtops lacked a B-pillar), with the latter two body styles exclusive to the Nova line.
How do you tell if I have a 8.2 or 8.5 rear end?