Thread: ATTN Chevy Gurus: Advice Needed; 454 in a '70 T/A
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Old 01-30-2007, 10:37 PM
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PunchT37 PunchT37 is offline
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The heads will fit the 455. But with common flat top pistons, the compression will be about 11:1 to 11:5 so if you want to run pump gas, it will be too high. Might look into a dish piston for that setup. Thanks for saving that T/A.

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