Quote:
Originally Posted by flatjack9
There seem to be a lot of variations of this cam. Most of the specs I've seen show more lift than that. Usually around .350 - .360. There was an SU1A which was 4 deg advanced and an SU1R which was 4 deg retarded. Don't know what the N stands for.
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Agreed. The "real" Winfields were hotter than most of the copies floating around. As Flatjack 9 mentioned, there are also a number of variations of the same grind from Winfield himself.
Either Dema or cam grinder Pete will be able to give you the straight scoop on these cams.