Whats up guys i have a 98 sc300 1jz swap automatic, the turbos are rebuilt steel wheels, boost cut defender, wally in the tank, bfmic, uego wideband, mbc, stock 1jz comp


If i boost anything past 13lbs, it hits boost cut and the uego pegs 10.0? but normal cruise is 14.2 - 15.8. any ideas? i have an emb and an avc-r that are just sitting

 

that seems way to rich to me

 

Ya mean at boost cut it hits A/F of 10? Sounds normal...

 

What plugs are u running and what gap

 

no it will run at 10.0 but over 13 lbs it will boost cut bad i cant full throttle it at all,


im goin to check plugs n gap in the morning

 

Ok sorry for the delay I had a bad vc leak so had to fix that first, I have ngk 7 plugs n they were gapped at 28 I gapped down to 26, still same issue, coils are fine boots got cleaned out n seemed fine. This is my first 1jz I had a 2jz jdm swap in an is but it was obd2. HAPPY NEW YEAR to every one

 

Maybe your boost gauge sucks? Everything seems normal aside from the 13psi cut. You shoulda realized this was normal if you had a gte swapped 2j. They do the same thing as far as fueling at wot stock. Vvti or not.

 

hey vrank i got a problem with my turbo...when i floor it my car peels out?

 

Never had a boost cut issue on the 2jz even when I did the single turbo with a profec b 2 at 18 lbs never had this issue, n dont the 2jzs boost stock alot higher

 

A 1JZ boost cuts around ~ 13psi. You have something that SHOULD defend against that. I'm gonna bet its set too high. With just an SAFC and 550s I was able to skew the MAP voltage so that the ECU never 'saw' boost cut up past 20psi.

 

ok i have an AVCR but i also have an emanage blue that i have sitting around and thought about putting it in since i have it? and get an E0-1 to control boost aswell as the emb?