BoOsT-CrAz

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

BoOsT-CrAz

that seems way to rich to me

INTIMAZY

iTrader: (5)

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

soarer479

iTrader: (2)

What plugs are u running and what gap

BoOsT-CrAz

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

BoOsT-CrAz

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

Vrank

iTrader: (4)

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.

RyanV

iTrader: (9)

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

BoOsT-CrAz

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

INTIMAZY

iTrader: (5)

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.

BoOsT-CrAz

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?