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  1. General Discussion
    Hey Folks, Have not seen anything on this topic for while. My 2014 C7 Convertible M7's GMPP warranty will expire in August 2021. Suggestions on continuing the GM extended warranty? Which dealer to buy it from? (Do some sell it at a discount?) Other suggestions? I have been very happy with...
  2. 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...
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