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I wonder how a bigger TB will affect your motor behavior, is it [high flow for rpm but weak low end torque] type of a setup ?

I admit im a layman in TB sizing especially for turbo cars so forgive my ignorance
 

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Discussion Starter #22
I wonder how a bigger TB will affect your motor behavior, is it [high flow for rpm but weak low end torque] type of a setup ?

I admit im a layman in TB sizing especially for turbo cars so forgive my ignorance
It doesn't. The intake runner lengths are what mainly affect lower end torque. This is why the KA24DE (considered to be a truck engine) has a weird 2 piece intake manifold. IIRC the length of the runner on that one was something like foot and a half.

If anything, the engine idle should be raised by 50 rpm and to set the ecu to relearn all sensors.
 
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