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Forum: Pontiac - Boost 04-12-2020, 01:56 PM
Replies: 28
Views: 5,587
Posted By Don Keefe
Other than the four-bolt mains, are there any...

Other than the four-bolt mains, are there any real differences in the bare block of a Super Duty four cylinder and the production 1961-62 blocks? I know the production '63 blocks were a bit thinner....
Forum: Pontiac - Boost 04-12-2020, 11:50 AM
Replies: 28
Views: 5,587
Posted By Don Keefe
Charlie, I always wondered what your combination...

Charlie, I always wondered what your combination would do with a Ram Air V cylinder head. It would also separate the center two exhaust ports, which would be great for heat management.
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