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If you are starting a new build....

April 19 2017 at 3:20 AM
Brent Lykins  (Login blykins)

Response to cam

...you can go higher on the compression ratio and still run pump gas easily. I normally aim for around 10-10.5:1 for customer builds unless an aspect of that engine's purpose dictates something a little lower.

As Ross showed, with careful measurement and assembly, you can go higher and not have any issues.

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