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Re: How much timing...
I run 36-38 in my 468 with 781 Heads on pump gas...
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1972 Chevy Cheyenne Super- Pump gas 496,TH-400, TCI Stall, 3.73's,Ochre & White two-tone w/Olive
Interior
1967 Chevy Short Step Drag Truck-Iron Headed 468 Making Memories
My momma took me off the bottle years ago.....
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