Another, Little Known, 68 Only Issue

BBShark said:

I have a November 67 build car. An "early" 68, the most peculiar of all C3's. Many people are aware of the differences between these cars and later however, I have never seen my newest problem identified.

I replaced my rear with a 76 diff. I used the nose bracket (mounts the front of the differential to the frame) and had to change to a drive shaft with 1330 U-joints. Bolted everything in, no problems.

I checked the pinion angle after mounting and it is at 0 degrees to horizontal. It should be at 3 degrees, nose up! I also noticed my pinion yoke is very close to the nose bracket. Looks farther away in this picture but believe me, it's too close:

So after giving up on trying to find the problem, I decided I would get a new nose bracket and modify it to correct this "problem". I looked in Paragons catalog and, guess what? A 68 uses a C2 nose bracket and 69-up use a different one:surprised. In the almost 4 years that I have had this car and all of the times I have seen 68 differences discussed, I have NEVER seen this issue mentioned.

So if your having problems setting your pinion angle, you might want to look at the parts you have.:thud:

Anyone have a nose bracket for a later C3?

Click to expand...

BBShark said:

I have a November 67 build car. An "early" 68, the most peculiar of all C3's. Many people are aware of the differences between these cars and later however, I have never seen my newest problem identified.

I replaced my rear with a 76 diff. I used the nose bracket (mounts the front of the differential to the frame) and had to change to a drive shaft with 1330 U-joints. Bolted everything in, no problems.

I checked the pinion angle after mounting and it is at 0 degrees to horizontal. It should be at 3 degrees, nose up! I also noticed my pinion yoke is very close to the nose bracket. Looks farther away in this picture but believe me, it's too close:

So after giving up on trying to find the problem, I decided I would get a new nose bracket and modify it to correct this "problem". I looked in Paragons catalog and, guess what? A 68 uses a C2 nose bracket and 69-up use a different one:surprised. In the almost 4 years that I have had this car and all of the times I have seen 68 differences discussed, I have NEVER seen this issue mentioned.

So if your having problems setting your pinion angle, you might want to look at the parts you have.:thud:

Anyone have a nose bracket for a later C3?

Click to expand...

6880 Mike said:

I've owned my '68 long enough to learn to check the AIM and original part numbers on just about everything before doing anything. Experience teaches.

:thumbsup:

Click to expand...