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Old 09-13-2008, 02:42 PM
dallam11 dallam11 is offline
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Here ye, here ye gents..there is certainly a lot of differences of opinion about running the big block pump in a small block. Reading all of the posts I have decided the go ahead a run the STOCK BB pump! I made the decision after one of the gents above stated there is a Moroso part number for a pump shaft that is offered just for this conversion...if Moroso sells parts for this BB pump adaption, then it is OK to do it in my book! Also, my 400 motor will be no lazy day loofer. The cam is out of a ZZ4 and I am going to mildly port the Vortec heads. The thing will have to be putting out over 400 horse power and then some. I really think I need a little more than what a stock oil pump can furnish here and in my opinion and the same for some of your opinions, the stock BB pump is just the ticket without being pricey and going overboard in consuming horsepower. Thanks!
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