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Search took 0.00 seconds. Search: Posts Made By: welsh poncho
Forum: 70-73 Firebird & TA TECH 04-08-2005, 01:17 PM
Replies: 3,022
Views: 462,713
Posted By welsh poncho
Here's mine 1972 400/400.

Here's mine 1972 400/400.
Forum: Pontiac - Street 03-02-2005, 12:52 PM
Replies: 6
Views: 879
Posted By welsh poncho
The 7HI heads have a 1.96 inlet and 1.77 exhaust...

The 7HI heads have a 1.96 inlet and 1.77 exhaust with 80cc chambers,pressin studs.Have used these heads on a 400 fitted 2.11 inlets,screwin studs opened ports up and drlled and taped for end header...
Forum: Pontiac - Street 02-22-2005, 01:49 PM
Replies: 19
Views: 278
Posted By welsh poncho
Dave Yes you can rebuild your box, I was in the...

Dave
Yes you can rebuild your box, I was in the same position have rebuilt engines but always a bit wary of autoboxs. Get Ron Sessions book How to Work with and Modify the Turbo Hydra-matic 400...
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