Are Stock push rods OK????
You can run them and get away with it ... but most people will say upgrade to hardened b/c the stock ones can flex, which puts slack in the valve train meaning that the lobes on the cam aren't being translated to the valves accurately which can cause u to lose power.
Pushrods are succeptible to two things, the end loading and stiffness.
With your cam, you now have faster ramps and likely stiffer springs. Therefore, you have higher end loads on the pushrod due to spring loads and acceleration levels. As the pushrod flexes, under these higher loads, it needs more strength to resist buckling and failing. So in a word, No. I think you are playing with fire. I wouldn't rev it much if it were my car, the risk to damage is just too high.
With your cam, you now have faster ramps and likely stiffer springs. Therefore, you have higher end loads on the pushrod due to spring loads and acceleration levels. As the pushrod flexes, under these higher loads, it needs more strength to resist buckling and failing. So in a word, No. I think you are playing with fire. I wouldn't rev it much if it were my car, the risk to damage is just too high.
I wouldn't run a cammed engine with stock pushrods. It's not uncommon for people to bend the stockers with the stock cam. I believe the pushrods are 7.400"
Last edited by 02 Camaro SS; Feb 18, 2006 at 01:17 PM.
Thanks Guys... The reason I asked is.. Wile driving down the road in like third gear or so I noticed some noise like the rockers were loose?? But there not it dont make the noise wile ideling... Plus I took the valve covers back off and checked...
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