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I had to add 2 degrees more initial timing and kill the VA

December 5 2017 at 5:59 PM
Bill Ballinger  (Login 65billgal)
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Response to what spark plugs?? Want to stop run-on at shut down

when I first built my 394, I had it at 14 and 20 centrifual, and I had to kick it up to 17. At 37 it is perfect but with 4.33s it will buck and you could feel engine breaking at 65mph and up with vacuum advance. I have run it 20 and 20 for 40 and it likes that even better but it wont idle less than 1500 rpms, it does 1050 at 37 and will lay down 3 gears of both rear tire down the block.

 
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