Quote:
Originally Posted by strongarm302
Do you have to have a core to buy one? Since they are so rare anyways
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It's the same as on a regular 12 valve style P7100. If you have a core pump, they can change the cam, install new larger barrels and plungers for about $4500, or you can step up to a completely billet Sigma for $15,000.
So no, you don't need a core pump if you elect to buy a custom billet pump.
But I think most people interested in building a hot 4bt motor are not interested in forking over big $$$ for a billet pump.