Deck Height

[sheckyZ28]

What is the deck height on '89 Turbo Trans Ams? Is it different than the 86-87 TRs?

 

[KendallF]

Originally posted by sheckyZ28
What is the deck height on '89 Turbo Trans Ams? Is it different than the 86-87 TRs?

9.535", nominal. Same xxxx109 casting block. Head chambers are different, thus the differently dished pistons to maintain a similar compression ratio.