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Hot fingers,
The key words are under light cruise. I was shocked the first time I heard it also. I am somewhat old school also, meaning 38-40 max also as much, and as fast as possible. Not any more!
Check it out and then repost.
My MSD HEI will advance the total timing to 45 with the vacuum advance connected at very light cruising. When I run it with the advance disconnected I have 34 @ 3400 total timing, 13 +21. It is the best setting for me, as I am running Fast Burn Heads. I get a slight amount of detonation @ 5300+ if I do not use 94 Sunoco.
Bud
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