I pulled my valve covers today and noticed that the inside lip of the rockers seems to be hitting on the adjusting nut. Can i just grind down the rockers a little to take care of the problem? The rockers are full roller 1.5's and the cam i have in it is a crane 208/214 @ .050, with S/R torquer heads.

 

Someone please reply, i need an answer asap.

 

I noticed that on mine as well.

Hasn't caused me any problems...thats the best I can tell ya.

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The main cause of what you are talking about is changing cams. Cam companies can't actually make the lobes too tall because then they would not clear the cam bearings while you install the cam. So instead they grind down the base of the lobes so that the lifter sits lower. (Kinda like two kids on a see-saw. If the one kid wants to go higher, then they gotta dig a hole on the other side first.) Well that causes your pushrods to go down also, which in turn makes the rocker arm sit too low on the lifter side, and too high on the valve side. Same happens when you change rocker arms. They make .1" to .2" longer pushrods for this difference.

You can get adjustable pushrods for checking to see the proper length that you need to get, just don't run them in the engine. They got them in Jegs or Summit. They are about $25. Or they got a fake rocker arm for about $12. It's a little plastic deal that you bolt on to check clearance. Either one will work OK. But you also need to make sure the tips of the arms are sitting on the valve stems properly. When the valve is closed, make sure that the tip is not on the edge of the stem. Same way when the cam is at max lift. Perfect ones should sit in the middle of the stem at exactly mid lift. Unless you are building a drag car, eye balling it for now should do.