Total Advance Help?
#4
Charter Member # 55
Charter Member
If you have a 502 with a Thunderbolt IV ignition, factory is 32* total advance. Running 34* will be fine too. I doubt you'll see any real difference.
If you are talking about a newer EFI 502 with a TB V, tthen I'm not sure what total is. They do add timing differently than a TB IV. They work in conjunction with the knock meter and when any detonation is sensed, it retards the timing.
If you are talking about a newer EFI 502 with a TB V, tthen I'm not sure what total is. They do add timing differently than a TB IV. They work in conjunction with the knock meter and when any detonation is sensed, it retards the timing.
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rob 221 lib man
Fiberglass and Paint
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08-09-2007 10:43 PM