Originally Posted by George C something to consider about your truck LM7 with untouched 243s fast 102 230/236 cam 1 7/8 primary headers t56 on 9 psi dyno'd 575 ish and went 12.0@117 1.7 60' think about it Oh you know I'm thinking about it.
2006 SilveradoLittle Black Bitch
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