07-02-2010, 03:22 AM
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Change the oil way to the heads
RodKnock Nobody has said that there is a different oil system to the rockers with Jesel or T&D. I have a setup of EDEL heads and T&D setup. The oiling goes through the pushrods. You will need new pushrods, lifters and maybe a camshaft. You may want to look at the new vary size pushrods that are 5/16" ends and 3/8- 7/16" in the middle. They are stiffer and have less flex when running. Alot depends on camshaft lift, design and valve spring rates.
IMO if you are running a HVHP oil pump with an 80# and have 30-40 psi at idle, H&S will work fine if the clearance between shaft and rocker body is tight. If it is loose, it will work ok at high oil pressures with the motor runningat 2,000 rpms. If you are going to idle it and the pressures down down to the 20's, IMO this is not enough to flood the rockers and cause a wearing condition, Not enough oil to the Erson setup will cause damage too. Blueing of the roller tip and bearings. I know of 2 erson failures. Both from oiling. Limiters too small for the heads. Under .060" with high lift camshafts and idling. The other thing is the machine work for the plates with T&D. You need a good machinist to make sure that the surfaces are flat and level. Rick L.
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