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Hi guys.. ok so most people think my car losing power from the big 80mm Throttle Body. they said if i put the stock 60mm Throttle Body back on would make more power.. is that true ? and if i want to keep the 80mm what can i buy to make it work better

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What is this I don't even....

Do you have a standard ECU in the car? or an aftermarket one?

Need more info, Greddy Plenum? turbo? etc

I cant see how you will lose power with a bigger throttle body...unless you have a standard ecu and it is having a fit.

I bet $50s that you're have a short running forward facing plenum

as zebra said, if you have stock ecu then you will be losing power because the airflow rate for a set throttle % will be much higher than the ecu is expecting (AFM voltage vs load voltage) so it will be backing the timing off and richening up the mixture to keep things safe.

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