is this a safe setup to hit 17psi in?

[slidingsidewayz]

the stock 1jzgte ecu is mapped for the stock 370cc injectors..... by dropping in the 440cc injectors it throws the factory fuel map off.... the ecu can compensate to an extent but it wont be a 100% recalibration, thus you may have some lean and rich spots.

oic... i'll look into installing the safc2 this weekend and borrow a friends wideband to see where i'm at..

 

[Clint]

Im interested to know what your a/f ratio is

 

[Rich]

Should be on the rich side in open loop. I've heard the ecu can compensate + or - 50% in closed loop, so should be able to compensate from 370 to 440's while cruizin.
But you'll be pushing it at the top as the 440's won't support the 58mm turbo @17psi, so expect to go lean there.

 

[zoppii]

Just for reference. I have a 1JZ DM CT26 (60 Trim) setup on mine with 440's. According to my WB I'm dead on in closed loop mode at 14.7 to 15.1 and at WOT (18 psi) I hit fuel cut and buried my wide band at 10.5 or so. I trimmed it out a very slight bit like maybe 2% with my SAFC at all points above 3000K and it pulled it up to 11.0 and eliminated FC. Still a little rich but I wanted to keep it that way until i get some Dyno time. This was all with the 1JZ map sensor with my AFPR set at 35psi (vac off). Look like this is going to be a well matched setup.