The 243s were on the GTO and Corvette LS2 6.0L engines.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
If they are 317s and not 243s....say bye bye compression....lol
2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s 2004 Buell XB12s Originally Posted by LamboDoNoMo "Never give up, NEVER BACK DOWN!!!"
Originally Posted by RedHeartbeat The 243s were on the GTO and Corvette LS2 6.0L engines. Yes, and they also came on the LS6 5.7 litre engines. Which were the first engines to have them, from GM.
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