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Hey all, putting on a set of MPI twins, stroker pump, 625's, Hellman intake and port/polish. sent cylinder head to shop to have plenum chopped off to get ready for sidedraft Hellman and when they Magnafluxed it had several cracks. So, now I'm in need of a good used head either stock or cut for a...

I am curious as to which year cylinder head would be the best one to start out with to do a full port and chop off the intake to add an aftermarket intake to. I am planning on either duals or maybe a larger single and injectors. My goal get into the high 700 or is possible the low 800 HP range...

I just noticed a few ads for diesel engine oil centrifuges. They are supposed to remove all of the soot, with no filter to change or replace. It sounds good, as I change my oil every 5k, but with the mods that I even have the oil is not only black, but it seems quite thick by then so removing...