It's in a JZA70 supra with a speed cut defencer and stock turbos. The aim is 300kW at the flywheel with a new exhaust (twin turbo pipes), monster intercooler, and 4.0" intake.
I think I like the piggyback as i can keep the closed loop idle, cold start, rev limiter etc. I am pretty sure that the fuel cut defencer they mension is applicable to the 1J as that is one of the major things I need. I want to run 16psi.
I currently run 14.5 psi with an adjustable one way bleed valve on the MAP sensor line, not ideal but leans off the top end about 5% and stretches the fuel cut to 16psi. I do not see this as a safe method however, and i have lost quite a bit of low down torque and spool up is longer.
I have a 2.75" cat at present which is the biggest restriction to the 3.0" exhaust, soon to be 3.5".
Mon, 12 August 2002 03:38
