8
87vette81big
Guest
Home from working a 1/2 day Saturday Richard.
We have to know the exact rear tire track of your 1965 GTO Convertible.
1964 - 1965 GTO A-body has the same Pontiac built 8.2" inch differential.
You want to save the stock rear diff.
Very hard to come by today.
Resell to another that may or will need it.
Remove the rear wheels after you have your GTO up on 4 heavy duty jack stands.
Or have the GTO up in the air on your 2- post car lift.
You can use a tape measure & 2 yardsticks measure axle shaft flange to axle shaft flange.
A better way is to Tie a string to each side off one wheel stud flush against the axle shaft flange.
Hang a 1/2"-13 nut or similar off the very end of the strings.
Adjust the strings so they just hang off the concrete floor 1/4".
Take a piece of white chalk and mark on the concrete floor where the Bob Weight nuts hover.
Then measure From Chalk Line to Chalk Line with a Premium Stanley Tape Measure or similar.'
We have to know the exact rear tire track of your 1965 GTO Convertible.
1964 - 1965 GTO A-body has the same Pontiac built 8.2" inch differential.
You want to save the stock rear diff.
Very hard to come by today.
Resell to another that may or will need it.
Remove the rear wheels after you have your GTO up on 4 heavy duty jack stands.
Or have the GTO up in the air on your 2- post car lift.
You can use a tape measure & 2 yardsticks measure axle shaft flange to axle shaft flange.
A better way is to Tie a string to each side off one wheel stud flush against the axle shaft flange.
Hang a 1/2"-13 nut or similar off the very end of the strings.
Adjust the strings so they just hang off the concrete floor 1/4".
Take a piece of white chalk and mark on the concrete floor where the Bob Weight nuts hover.
Then measure From Chalk Line to Chalk Line with a Premium Stanley Tape Measure or similar.'