Hi guys, changing the throttle body can cause any problem to the engin or not?
Do i need to retune my ecu?
Now i'm using perdana throttle body on 1.5 intake manifold. Didnt feel much different, maybe already used to it. Going to change it back to 1.5 throttle body to feel the difference.
Is changing the intake manifold give any difference to the engin reponse. cause i still have a ECI Multi intake manifold with 1.6 throttle body lying around in my house from my previous 4g13 engin...
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