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Message: [QUOTE="jkidd_39, post: 242599, member: 649"] I spoke extensively with Zack Hamilton from Hamilton cams at a GTG a month ago.. he told me he would love to do cams for the 7.3 guys but the heads just don't flow well. And porting the heads is a definite art.. it would take some time with a flow bench and a big bucket of bondo to figure out how to gain CFM w/out losing port velocity and a whole bunch of other stuff I won't even act like I understand. In my dealing with the cummins world it's not a perfect deal... Guys use Chinese heads that are poorly cast in hopes that the ports are slightly off which gives the person porting more material to shape. And they still say they bust thru on 1 of 5 heads. I think a clean up of the ports would be a great addition but without a flow bench I wouldn't be changing anything drastic [/QUOTE]

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