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Roller Rockers [Archive] - StangBangerz Forums
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Orodi
11-09-2008, 02:27 PM
which are better steel or aluminum roller rockers?
Walter
11-09-2008, 02:53 PM
You typically dont see a steel rocker arm with roller fulcrum/tips. The stock die-formed units are steel.
k062693w
11-09-2008, 03:02 PM
Someone else may know more about them, But I can find just as many steel roller rockers online as I can aluminum.. So personally, I don't think there would be much of a difference.. Depending on your goals/expectations from your motor.
What are you building and trying to get out of it ??
Orodi
11-09-2008, 03:02 PM
Comp cams has offers a set of chrome moly steel rocker arms and are "Pro Magnum Rockers are made of 8650 chromemoly steel, which is approximately three times stronger than 7075-T6 (the aluminum typically used for rocker arms)."
Orodi
11-09-2008, 03:04 PM
Pro Bullet 331 AFR 185 heads 30 Lb injectors Edlebrock RPM performer II manifold, Anderson Ford N-61 Cam Full tube exhaust TKO 600, 3:73 Gears
Walter
11-09-2008, 03:37 PM
Comp cams has offers a set of chrome moly steel rocker arms and are "Pro Magnum Rockers are made of 8650 chromemoly steel, which is approximately three times stronger than 7075-T6 (the aluminum typically used for rocker arms)."

I was thinking ductile iron for some reason. I think alum rocker would fit the bill.