Reply to "Questions regarding George's 275/285 Custom Street Cam Profile"

I don't believe anyone will give you a guarantee like that Rocky

I've always heard 'don't race it if you can't replace it'

George, is this still your preferred lobe choice for the mechanical flat tappet Cobra-Pence cam?


Grinder: Bullet Cams
Intake: Lobe #F285/355
Exhaust: Lobe #F295/358
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285°/295° advertised duration
290° average duration
Exhaust valve opening = 85° BBDC
Intake valve opening = 30° BTDC
60° overlap
Exhaust valve closing = 30° ATDC
Intake valve closing = 75° ABDC
------------------------------
250°/260° duration @ 0.050
0.585"/0.590" net valve lift (0.029" lash)
115° lobe separation angle (camshaft degrees)
Intake lobe mathematic centerline = 112.5° ATDC
Exhaust lobe mathematic centerline = 117.5° BTDC