Knock on the VQ37VHR - gear heads step inside

Originally Posted by 18rgcelica73 No a tune won't help the compression ratio go down any but actually compression is great with FI as long as it is safely tuned. You

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Knock on the VQ37VHR - gear heads step inside

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01-20-2009, 08:24 AM

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Clint@Altered

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Quote:

Originally Posted by 18rgcelica73

No a tune won't help the compression ratio go down any but actually compression is great with FI as long as it is safely tuned. You can get a lot more power per pound of pressure with higher compression. Just look at rsx-s boosted usually with 11.5:1 compression ratio and turboed making 500whp and safely tuned. It is ALL in the tune.

I agree. High compression + FI might not always be the best for 93 octane, but it works great in race circumstances.

Anyone have the GTM graph?

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