if your leaving the motor stock and just throwing it in there for now like i did dont get an lq4 go with the lq9. comperssion is a little higher and the cam produces more torque. i love mine. the power gain over the ls1 feels good. i got my low milage complete engine along with wayyy more goodies for $2300 shipped from cali.
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Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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