I know that the 66 442 originaly came with a flywheel that would accomodate an 11" clutch & PP. I'm just wondering if all Olds flywheels of that genre were 11", or were there other diameters used?

 

I am aware of early (64-67) ones that came drilled for both 10.5" and 11" clutches, and others that were drilled for 10.5" only (per a friend with a 4 speed '65 Jetstar I). Not sure if there were 11" only versions from the factory or not.

 

i have an original that was removed from a 66 442 and it is drilled for both.

 

AFAIK, all Olds wheels were drilled for 10.5" and 11" diaphragm or Borg and Beck pressure plates (not Long style) from 1965-up.

 

Wmachines/Kurt mentions the 10.5 inch flywheel in post 8 in this thread:

https://classicoldsmobile.com/forums...size-cars.html

He doess say its the only one he'd ever seen drilled only for the smaller clutch.

 

That was what I was looking to find out!
Thanks!

 

I have a 1965 Delta 3 on the tree (425 ci ) & I was told by the previous owner that it has a 11 inch clutch. Also it was a Police Chief's car back in 65..... The clutch is weak, so when I change it out soon, I will post pictures. Still looking for a build sheet to verify it's it is in fact a B01.....