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comp cam roller rocker question #95805 07/27/08 11:11 PM 07/27/08 11:11 PM
Joined: Dec 2005 Posts: 151 Ohio R RonaldV OP member
RonaldV OP member R Joined: Dec 2005 Posts: 151 Ohio	IM running comp cam magnum roller rockers for the first time in my 340 with a high lift cam. Boy do they make some noise. Is this normal???? I can hear them when driving the car. Should they be quiet??? Something in the valve train is makeing noise, a lot more than the stock stamped steel set up. Maybe I need to recheck my valve lash. Thaks.

Re: comp cam roller rocker question [Re: RonaldV] #95806 07/27/08 11:18 PM 07/27/08 11:18 PM
Joined: Jul 2003 Posts: 2,637 Western Michigan 68Fastback master
68Fastback master Joined: Jul 2003 Posts: 2,637 Western Michigan	I have them, but got questions for you. How big of a cam and what is the spring pressure. The comps are great rockers but will not hold up against high spring pressure. And yes recheck your lash.

Re: comp cam roller rocker question [Re: 68Fastback] #95807 08/01/08 07:28 AM 08/01/08 07:28 AM
Joined: Dec 2005 Posts: 151 Ohio R RonaldV OP member
RonaldV OP member R Joined: Dec 2005 Posts: 151 Ohio	Cam is comp cam XE 285 HL duration is 241/247 and lift is .545 Springs are behives and are the recommended for this cam, Not sure exactly what pressure they are.

Re: comp cam roller rocker question [Re: RonaldV] #95808 08/01/08 10:38 AM 08/01/08 10:38 AM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S master
69Cuda340S master Joined: Aug 2004 Posts: 3,333 MARYLAND	Those rockers should work with that cam. What heads are you running and did you check how the roller contacts the valve tip when opening the valve: 4590301-RockerArmGeometry.jpg (90 downloads)

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