Fuel pressure increases one psi for each pound of air pressure over ambient, and it pulls fuel pressure for each pound below ambient.

Chris

 

just out of my criousity, as far as I could see, your setup without 550cc injector already could achieve 290 whp which few people on the board has done the dyno... or... am I wrong?

 

Chris that is you call a FMU, fuel management unit






I did 275 whp, but I was runnig very very lean A/F 15:1. While I was NA I did 175 whp.

I am going with the 550cc and in the future with 8 psi to get 300 whp goal.

 

but my major concern is safety. Tempaeratures here on summer are very hot, above 100

 

the other question is, will the blower itself be able to handle 11psi?

 

[QUOTE]Originally posted by hondaS2001
the other question is,

 

[QUOTE]Originally posted by Big Ben

 

It really depends on what dyno he used we shouldn't just look at raw dyno number (at the wheel power) and should look at the engine power. The stock s2k engine power is 240hp in the US. The dynapack dyno gives reading of around 200hpatw. Therefore the drivetrain loss is only around 17% on the dynapack. That's around 374hp at the engine.

BTW Most OZ tuners use dynodnamics, I think the drive train loss is aound 30%.

Do you know what dyno your tuner use? how much power train loss?

If you go 11psi, you won't make 320hp on the dynapack I think you will make a lot more.
Anyway, according to the calculator, which is only an estimate, Wes's duty cycle may be higher than 80%.

 

[QUOTE]Originally posted by S2000_Europe

 

[QUOTE]Originally posted by honda9krpm