Thread: 454 Valve springs
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05-24-2004 07:28 PM #1
454 Valve springs
How High of a lift cam will stock BB valve springs hold up to?
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06-30-2004 09:20 PM #2
IVE HEARD .500 .WHEN I USED THE XE268 I WENT WITH COMPS 911 SPRING THATS 1.525dia IT FITS IN THE STOCK POCKET.I THINK THAT THE STOCK DIA IS 1.460not that you have too much cam just not enough motor
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance