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ezobens
07-07-2010, 01:01 PM
Tim,
Thank you again for your time last Friday!
I do have a couple of quick (hopefully) questions that I seem to get opinions all over the map on:

Drilling out the upper main bearing holes-
I've done it in the past in my street engines but I don't know if this is necessary with all the other mods you list in your article?
If it's still recommended, do you open up all 5 or just 2,3 and 4? 5/16" holes?

Rear main seal-
Rope or 460 Ford neoprene style?

Restricted Pushrods-
You had mentioned on our call that the restriction should be .040? I apologize but I couldn't write as fast as you talked ;-)

Rod Reliefs-
Are the reliefs ground on both faces (rod-to-rod and rod-to-crank faces) or only on one side? If only one, which side? Seems there is some confusion on this. Also, is the necessary if I go to an aftermarket (IE Eagle) rod?

Oil Pump-
Standard or HV?
If I go HV, what are are consequences of using the HV?

Thanks again for all your help!
Elm