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Re: Importance of a proper tune.
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Originally Posted by jim_in_dorris
Wow! As usual, very impressive results for a 305. Just curious, which lower intake do you have mated up to the vortec heads to allow TPI?
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I have one of the ones that SDC chevy sold a while back. I believe it was cast by edelbrock before they started casting their own.
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1983 G20 Conversion Van, 383 TPI, 10.5:1 compression, Custom Reed Roller cam, Ported 906 Vortecs, Doug Thorley Tri-Y headers, dual 2 1/2" exhaust, 4L60E, 3.08 gears. 7427 PCM in MPFI Mode
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