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The amount of boost is somewhat relative - 8 or 9lbs might be a limiting factor on gasoline, but we just ran 13lbs on my stock LT1 (stock intake, cam and headers) up to 5900 rpm (was making 745hp at 5900) before we pulleyed down. The pistons can take a great amount of cylinder pressure as long as there is no detonation (we were running e85 and Meth inj).
Pulleyed to 9.5 lbs and it’s very safe with 48 degrees of timing advance.
Anyone running boost should be considering Meth out of safety
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2018 1SS 1LE / HBM - ECS Novi 1500 S/C Tuned by Carl @ CJ Tunes
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