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Forum: Pontiac - Boost 11-18-2023, 03:12 PM
Replies: 3
Views: 1,612
Posted By Johnny406
The pistons would be out .028 so run a .060...

The pistons would be out .028 so run a .060 headgasket?
Forum: Pontiac - Boost 11-17-2023, 12:01 PM
Replies: 3
Views: 1,612
Posted By Johnny406
Old Venolia blower pistons .047 in the hole

Years ago I started to build a new 428 to replace the 455 in my 78 T/A. I started to build the motor and discovered the pistons were well down in the hole, a whopping .047.

I bought the used...
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