What can you tell me about the 74mm TB?

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What can you tell me about the 74mm TB?

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06-16-2015, 03:31 AM

#18

KRAM36

Need For Speed

Join Date: Feb 2013

Location: Funville

Posts: 2,114

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Quote:

Originally Posted by edc

If you add in exhaust system, remap then the total increase was 20-25bhp but the throttle body and plenum alone was just over 5bhp. All with before and after on dyno. The butt dyno always felt stronger to me too but the reality is it's not as much as you feel.

He didn't just list a TB and plenum change he also listed the 987 air box. You changed to a larger MAF housing, even with a tune I believe that's a mistake. It's way more then 5 hp.

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