434 sbc ??

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1989TransAm
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Re: 434 sbc ??

Post by 1989TransAm » Mon Feb 12, 2018 12:58 pm

Here in California I am running 11:1 compression with no problems on 91 octane pump gas. I have done this with two motors. One a 369" SBC with AFR aluminum heads and a Dart block. The other is a 427 based on a LS3 block and CNC factory L92 heads. Quench was .036" and .038" respectively.

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