joshmannin

Can the stock ecu handle any boost at all?

if it learns etc etc. can it handle a few pounds of boost?

i want a safe reliable 280-300rwhp

baadhabit

iTrader: (2)

theres an old saying that applies to boosting an IS and fits perfectly here.

"Cheap, Reliable, Fast.. pick only 2"

goposion

i wouldnt run the stock ecu for boost the cheapest route you can go is get an SAFC that would be alright for your goals

dsouthmia0

iTrader: (3)

No stock ecu for boost... You need a piggy back. I use the Greddy E-manage ultimate

joshmannin

people have good luck with just a safc

SinisterIS

iTrader: (1)

Is there a way to tune the stock ECU at all WITHOUT a piggyback or are some people out there just running boost on the stock ECU totally UNTUNED?

dsouthmia0

iTrader: (3)

No you need a piggy back, you cant re-flash the ECU. Its not a Volkswagen

SinisterIS

iTrader: (1)

Well are there people out there throwing turbo's or supercharges with low boost on motors with stock tune? I always heard the Lexus 2JZ runs pretty rich from the factory, so I thought maybe they could be getting away with it a little. Not saying its smart, just wondering if people are doing it.

dsouthmia0

iTrader: (3)

No........

HKS350

iTrader: (4)

380 to 440cc injectors

The stock ECU can handle trimming the fuel for these sizes.

So for up to 7-8 lbs max you can get away with:

440cc injectors
Safc
Fuel pump 255