83TNY Member 24 Member For: 19y 2m 10d Gender: Male Location: Gladstone Posted 20/07/10 09:20 AM Posted 20/07/10 09:20 AM Suprising trial today 440hp on 14psi on stock pump but started to lean out so backed off to 12psi and was fine. Stock dump 4" cat with 3" outlets into 3" exhaust with a "plastic" intake I'm trialing we were suprised that when the new pump finally turns up should be good for nealy 470hp.
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