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Old 02-02-2015, 02:56 PM   #7
JRyan
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Join Date: Apr 2003
Location: Aberdeen SD
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Default Re: 487X vs. 487 vs 993 SBC Cylinder Heads

AMEN to the 1320 dyno Ron. We have three different Olds engines for our SS/NA Cutlass, all very different combinations. NONE of the engines have been on a real dyno, and I think most would say our car runs OK.

Jerry
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