Reply to "Looking for a hyd roller street cam"

George PAdmin.

So here's the spec based on the lobes I've chosen:

Ford 351 Cleveland hydraulic roller street cam
Grinder: Bullet Cams
Lobes:
Intake #HR275/330 (Symmetric lobe)
Exhaust #HR288/335 (Asymmetric lobe)
112° ATDC intake lobe mathematic centerline
117° BTDC exhaust lobe mathematic centerline

275°/288° advertised duration (281.5° average)
224°/234° duration at 0.050"

51°/54° hyd. intensity
Overlap at 0.050” = -4°
Lobe separation angle = 114.5°

0.330"/0.335" lobe lift
0.571”/0.580” theoretical valve lift (1.73:1 ratio)
0.553”/0.561” factual valve lift [(lobe lift - 0.005) x 1.70]

EVO = 81° BBDC
IVO = 25.5° BTDC
Overlap = 52.5°
EVC = 27° ATDC
IVC = 69.5° ABDC

How's that?

6/14/1511:28 PM

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