how much fuel pressure should i run in a high compression ls/vtec
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Joined: Sep 2002
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From: mineral, va, 23117
how much fuel pressure should i run in a high compression ls/vtec
just wounder how much fuel pressure i should run in my ls vtec, its a b16 head, on a b18a1 block, with pr3 pistons.
Honda-Tech Member
Joined: Dec 2001
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From: Gresham, Oregon, USA
Re: how much fuel pressure should i run in a high compression ls/vtec (ls_vtec_b18a1)
What injectors? STOCK and are you running a stock ECU?? With that setup I would recommend a VAFC and atleast RC 310's.... 48-60psi should be adequate for a stock setup... I built my friend's LSVTEC using 81.25mm PR3 slugs and a PR3 head, on a stock GSR computer the car ran really lean and even after bumping up the FP to 56psi with the fuel maps trimmed up... I would try a VAFC at the least along with a your FPR set at ~55psi... Good Luck
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