575 sci fuel consumption

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09-11-2008, 12:06 PM

fast one

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575 sci fuel consumption

Does anyone have the fuel consumption #'s for running twin 575sci and what is the best rpm for gph on 38 fountain lightniing thanks

09-12-2008, 08:02 AM

BillR

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Well on my 38TG I avg about 1.1 to 1.3 MPG w/ my 575's. You may get better MPG because mine have a little more HP over stock.

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09-12-2008, 11:33 PM

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14MPG on trailer, 0RPM

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