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-   -   260 top speed? (https://www.offshoreonly.com/forums/velocity/175441-260-top-speed.html)

PMT2800 12-17-2007 10:18 AM

I hit 78.2 on gps with 4 adults, full tank of gas, and flat water. I was only half trimmed out, 3/4 throttle and bouncing off the rev limiter. I need to shorten my drive and lower my gear ratio.

Revd Up 12-17-2007 11:00 AM

I would estimate 89-92 after you get it dialed in.

28thoroughbred 12-17-2007 06:32 PM


Originally Posted by Performance Marine (Post 2374595)
I hit 78.2 on gps with 4 adults, full tank of gas, and flat water. I was only half trimmed out, 3/4 throttle and bouncing off the rev limiter. I need to shorten my drive and lower my gear ratio.

I would stay with a 1.5 gear ratio and install a taller prop.

Linster 12-18-2007 12:04 AM

There's a guy on the Rappahanock river in Tappahanock VA that has a 540 10-71 blower that ran 112MPH at a radar shoot. That was on racing gas and a lot of boost. Boat set very well, but I would not want to be in at that speed.

velocitykid 12-18-2007 08:41 AM

thanks for the plug linster, i would be glad to give you a ride, its really not that bad. time for specs 540ci with 10-71blower iron heads 9psi boost ,1.36 gear with 34pitch bravo, 6400rpm, top speed so far 113mph on radar

mikes280 12-18-2007 07:57 PM


Originally Posted by velocitykid (Post 2375688)
thanks for the plug linster, i would be glad to give you a ride, its really not that bad. time for specs 540ci with 10-71blower iron heads 9psi boost ,1.36 gear with 34pitch bravo, 6400rpm, top speed so far 113mph on radar

man that sounds great what hp do you fell your motor is making

Sick Stinger 12-19-2007 07:27 AM

hey mike you ran by them but how about by me(dont forget you did help me dial this in haha)

bulletbob 12-19-2007 10:51 AM

Whats your monster running Stinger? How do you like the boat now? I really enjoy mine and got to see some of mikes handy work at Palatka. Looking forward to coming up to Norman next year and hope you guys come to Murray.If you think those NC boys are fast on the water try keeping up with them on I-95. Those boys roll!!!!

Pat McPherson 12-19-2007 11:30 AM

Hey Guys,
How fast will my new to me 26/28 Velocity run with a basically stock 502MagMPI?

Sick Stinger 12-19-2007 11:59 AM

Bullet pretty happy with it. Cant complane as of right now. I do like the fact that all i can hear is blower when im running along (although i had no hatch when i was running last year). When i did run though it was a great run put about 50 miles on here and 2.5 hours. I recieved my prop after i put it away for the winter so i will see what happends next year with the 34p labbed. When you do come up this way lets run. Like i said before there are NO Tbred/Velocitys next to me so im a loner. Im going to NC this year sometime, going to make plans with mike to check out the velocitys he has built cant wait.
-Mike


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