View Single Post
  #4  
Old 09-22-2020, 09:57 PM
mechanickeith's Avatar
mechanickeith mechanickeith is offline
Ultimate Warrior
 
Join Date: Dec 2002
Location: Phoenix, Az
Posts: 5,812
Default

Quote:
Originally Posted by tom s View Post
A 980 head might be a issue as the center exhaust port bolts are wider.Tom
True, that was the performance head at the time. His best bet is a 979 head. Lowers the compression back into pump gas range & all the Tempest manifolds will bolt right up.

__________________
Keith Collier
61-63 Pontiac Tempest
Tech advisor
POCI.org