ive got an 03 sonic blue with port 2.76 4lb lower and all the supporting mods ive got a stock throttle body and plenum should i port the plenum and get a bigger throttle body? if so do i need to change the tune?
throttle body?
- Thread starter 20svtcobra03
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Plenum is worth a few.... T/B won't get you any big #'s.
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