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Old 08-01-2011, 08:36 PM
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g356gear g356gear is offline
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Default COMP cam magnum rocker nut failure

So I took the car out for a little spin today. I had installed Magnum roller rockers , guide plates and pushrods about 100 miles ago. I have a medium lift hydraulic cam in the motor....nothing too radical. I left from a light with a little of go petal and the car popped a couple of times and I backed out right away. The car immediately felt like it was down a cylinder. I pulled over and checked for anything odd. There were not any strange noises at idle and oil pressure was still good. I went straight home and could tell something was off in the motor. If I brought up the RPM's, I would get a little rattling out of the drivers side front of the motor. I let it cool down and pulled the plugs to check for anything nasty. #1 plug was black and wet, others all light tan and dry. I pulled the valve cover and found the pics below.




Has anyone seen this from COMP products before? Any ideas on a better product that's not going to do this on another pushrod? Needless to say the metal is nowhere to be seen in the cylinder head. I am hoping it's in the pan. I have a magnetic plug so my fingers are crossed.
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69 SS396 Camaro Coupe, 4link, 12bolt posi, Speedtech LCA and UCA's, Hotchkis 2" drop springs and sway bar, Ridetech triple remote resevoir coilovers, Bilsteins, Wilwood 6 piston front/4 piston rear, Magnaflow stainless exhaust, Lemons Headers, Comp rollers/p-rods/cam, Fikse 18x8.5 and 18x10

Last edited by g356gear; 08-01-2011 at 08:39 PM.
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