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Old 12-27-2019, 11:11 PM   #4
1971 GMC SHORTY
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Join Date: Apr 2009
Location: SAN FERNANDO VALLE SOL CAL
Posts: 1,064
Re: Holley 500 on the 305, woke it up

Even Better Fuel Milage I did mine Years ago what a Great up grade. You going to do hei next
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