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I would expect to see a 5500 RPM and up powerband with those cams in a 3.0 litre at 10.3-1 compression. Looks like 5500 RPM is around 75-77 mph on the graph?
Going from 5.91mm to 5.6mm on the cam setting is a little over 1 degree on the centerline. And the wrong direction (retarding them) if you are looking to pick up the hole in the powerband.
Did you try adding fuel? Not saying its a cure, but with these cams the a-f is probably going to end up in the low 12's.
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John Dougherty
Dougherty Racing Cams
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