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Original Message
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| RE: Back to the wiping cams mystery. |
| By John - 06/27/2004 8:05:20 AM; IP 142.177.103.152 |
| TRW lifters? Well, I was worried about that, so when I picked a Crane Cam, I also used their lifters, pushrods, valve springs and retainers. I also use after market rocker shaft supports and solid aluminim spacers vs springs. However, one thing you might want to check is how you adjust your valve lash. The factory method, where you adjust a certain "list" of intake and exhaust valves and then do it again for the others after rotating the engine some prescribed amount, is fine for a stock cam, but where a high performance cam is used, I have a different method. I rotate the engine to TDC for #1 cylinder and adjust both intake and exhaust for that cylinder. Then I rotate the engine 90 deg and adjust the valves for the next cylinder in the firing order. I keep going by the firing order. When I've finished, the engine has made two complete revolutions. I do this to ensure I will NOT be partially on a lobe during the valve adjustment. Now, I will admit, if this happened, all it will do is keep the valve from opening all the way and shouldn't cause lobe wear, but I am not sure what the imbalance will do, so it might be worth checking. |
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