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:rolleyes::LOL::LOL:Man the wheels fell off on this guys question.

:p

Good friends-I am not preaching here,but we did get off topic in the process of four bolt main conversions somewhat.Here what I suggest directly to his question.

Sir-it is the combined situation...

Pat,just I have a gut feeling about them.A lot of the time things are cheaper for a reason.

Jerry-I have never hidden my hatred for Eagle.Just for the sake of discussion,next time you have a set of Eagle caps,run a Rockwell hardness test on them.I would be interested in what you found.

My two cents worth(normally a dollar charge but discounted for here.:rolleyes::LOL:),is now you have strengthen the bottom end and still have a cast crank.Sure don't have much of a future at 550 hp...

It is possible with 400's and the best efforts to leak down one a number of times and get a number of different results because the cylinders do move quite a bit.The logic behind aftermarket blocks...