...that I could use to determine how much fuel I need for any determined ammount of boost preassure. I am refering to 91 octane (no such thing as 93 here). I ask because I was told by Bill that our primaries and their secondaries (500cc) on the portfueler is just enough for 15psi on 93 octane, with no timing mechanisms that is. However, I was under the impression from what other members claim, that 20 psi is possible on that ammount of fuel, safely. What do you guys think?

PS: I know there are plenty of fuel related threads, but there are many answers and I am still confused. Thanks

Yea, bill told me the same thing. I have no idea what he is talking about, i no people here (cali, 91 oct.) that boost 19 psi, with the vortech sfmu, 440's and thats it. Any info???
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