311 Top Speed Question
#13
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Join Date: Sep 2010
Location: West Bridgewater,MA
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Thanks guys, it depends on whether I can go for another run. I wanna get all I can out of it before playing the prop game, just so I have a solid base line. Unfortunately that might not be until spring, but thanks for the offers and I'll keep you posted.
#14
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Location: EASTON MA.
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I have been out with jon on his 31 nice ride, in the spring if you want to try props call bret a bblades he can send you out one or two pairs to try and then if you want more he can lab them for you. say stock 23s your at 70gps but labbed 25s might give you 72. also with a deep drive like the trs the merc rev 4s work real nice there sometimes faster than the mirage and have the vip of a 4 blade. oh those 420s are nice and easy to make 500 to 575 hp out of changing cam/ intake/ and sometimes carb but the 800 you have should work to these hp#. we will have to hook up I live in easton right on the WB line theres a bunch of us that go out of plymouth/fairhaven new bedford/ east providence/ fallriver these are places with boat ramps. its always fun to have more than one boat going out together ,in case of a break down you go to the closest ramp tie the boat up. then get a ride back to trailer it beats waiting for sea tow and have a 4 hour tow haha. if you want give me a call I might have get together in the next few weeks at my house. you could meet some nice people from the board and jon could give you more info on your boat. my cell is 617 833 3327 Art. I had a stock 502 mag 390hp at the prop. rebuilt by Jim Ried in whitman we did about two changes with stock block stock heads with mild porting. 1st was all MSD stuff, stock block mod heads, dart intake and switch to hyd roller set including cam and a stock 800 or 850 carb it was 1995. we got 585hp next was a switch to 850BG carb we got 595hp. 3rd time it was bore the block to a 509, isky cam, merlin marine 310 heads pocket ported we got 637hp with 850 bg carb then a 1050 dom was good for 650hp last a CFM performance carb 670hp. Jim has some real good prices too. freshen a motor new rings, bearings, swap to hyd roller and maybe intake starts about 3000 and up. anyways call me if I can help with anything about the boat ,boat ramps what ever. GOOD LUCK Art ps theres a nice ramp down at sommerset or across the way at fallriver its not to late to run mt hope bay is where outerlimits was testing the other day nice 1 to 2 footers also there a run down in conn this weekend on the conn river theres some local guys going.
Last edited by AIR TIME; 10-15-2010 at 06:52 PM.
#15
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Thanks for all the information, and I think I met you before, were you at the Borden Light Poker Run this year? We were wearing safety yellow in the Fastec.
#16
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I don't care what anyone says you WILL loose speed with a painted bottom! I gained close to 6-7 mph with my 242 when I stripped the paint off. This was with a fresh engine and everything else stayed the same. The only paint IMO you coould maybe use and not loose MPH is VC-17 but it only works in freshwater. Either way loose the paint and gain some speed.
#17
I don't care what anyone says you WILL loose speed with a painted bottom! I gained close to 6-7 mph with my 242 when I stripped the paint off. This was with a fresh engine and everything else stayed the same. The only paint IMO you coould maybe use and not loose MPH is VC-17 but it only works in freshwater. Either way loose the paint and gain some speed.
#18
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I don't care what anyone says you WILL loose speed with a painted bottom! I gained close to 6-7 mph with my 242 when I stripped the paint off. This was with a fresh engine and everything else stayed the same. The only paint IMO you coould maybe use and not loose MPH is VC-17 but it only works in freshwater. Either way loose the paint and gain some speed.
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