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OK, so I took the shaft off, cleaned up the offending rocker on #7 exhaust, (set the lash) and put it back together. Ran it down the road a few miles, came back, took it apart and now the #4 exhaust rocker has no oil. #7 is fine, but now its #4.

Can too short of pushrods, ie too many threads of the adjuster below the rocker cause this problem? Ive known my pushrods are on the short side, about 6 1/2 threads sticking out below the rocker.

Also, how much oil should the top of the motor be getting? With the motor running, rev'd to 3k or so, there sure doesnt appear to be much oil getting to the top. Its been like this since it was put together. 650 street miles, 16 or so passes. I dont have any restrictors or anything anywhere?

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You don't mention what brand/model of rockers you have. When I installed my Comp ProMagnums I found that if there were more than 2 full threads showing the oil holes on the adjusters and rocker bodies did not line up. If you have 6 threads showing that is probably your problem IMHO.