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I like how my car runs after the new tune (but i will get used to/over it), it has a r33 turbo, FMIC, 3in exhaust and runs an Apexi SAFC. 174.5kw at wheels

I wanna know if i can bolt a bigger turbo onto it and still use the SAFC or do i have to go onto a stand-alone unit? Im not looking for massive power, just a good turbo upgrade.

Any help is appreciated.

Edited by dave_1

the car would perform significantly better with a stand alone ecu

it will work with an safc, but a true stand alone when setup properly will perform better

this is typical across response, performance, power, torque, fuel economy and drivability

I've always been a skeptic about piggyback ecu's or signal benders ... I reckon its a fine line between happiness and disaster with them.

They are really only good for minor modifications and if you are considering going and spending the money on a bigger turbo, injectors, etc etc you might aswell save up and get a whole new ecu to go along with it.

This might be an expensive option at least this way your going to have the least headaches overall.

Do it once, do it right <--- IMO :cheers:

I've been looking into this new to Oz ecu the Tomeii Reytec ... which is basically the standard computer modifeid by Tomeii so that it becomes a completely programmable unit.

From what I read going this route you can keep the factory computers fail-safe mechanisms and are able to tune for almost endless modifications. It appears to have a data logging function also!

Best ecu at the mo IMO :)

Edited by BLK33T

if you have a bigger turbo,

MOST definately get a decent aftermarket ECU. Will perform much better. By 'perform' i dont just mean the power you can get out of it ofcourse, it will keep your engine safe and at a decent tune.

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