Rubrail replacement project/questions.
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Reggie, It will run 85-86 GPS with the boat fully loaded and full of fuel. I have never run it without all the gear and low on fuel so I do not know those numbers.The boat weighs about 8500lbs fully geared up (anchor, coolers, all my extra stuff, full tank of gas). I am running the B&M 250 EFI blowers at 3-4 PSI of boost. Right now I can spin either my 30p (5250rpm) or 32P (5000rpm) Bravo 1s. I am going to send my blowers off to be serviced for a rebuild this winter and I am also looking at adding some IMCO -2 shorties. I need to get rid of the stock exhaust to shed a few pounds as well. The engines run great and have been very reliable so I am hesitant to change the setup that much. I would like to get it into the 90s without going up in boost if possible. I talked to Mark at precision Marine and there are not many folks out there that can reprogram my ECUs for the smaller pulley's. I am also leary of running more boost because of the ethanol gas.
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you gave me an excuse to post a pik....