Re: Pulsing in 4th gear at crusing speed
Anything above about 50-52 total advance @ 2500 can cause a surging effect at cruise.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner.
1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components.
My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703
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