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lt1 ported tb

  1. weaponX ported LT1 TB - 12hp increase!

    LT1 & Its Powertrain Discussion
    We have our first batch of LT1 ported TBs in and ready to go! The gain was an impressive 12hp / 8 ft-lb torque and can be bolted on without tuning for those warranty conscious. Stock C7 Z51 dyno'ed 410hp/416tq in pull 1. Added the ported TB only in pull 5 and saw some nice gains. I'll post...