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  #1  
Old 11-30-2014, 09:57 AM
wattaway2 wattaway2 is offline
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Looks like a hell off a deal ! Only ? I have is with the 91 octane fuel note will it work with reg fuel? Jegs has been around forever and has a great rep bet a phone call would go a long way! A balanced motor runs longer and better as all the components work together without any part pulling different then the others
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  #2  
Old 11-30-2014, 11:47 PM
FLexpat FLexpat is offline
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Hmmm. 405HP and 450 Ft-lbs out of 383 cid sounds more like a diesel than a gas motor. I've never seen anything like that ratio of ft-lbs/$ in a legitimate marine set-up before. Adding the exhaust manifolds, tstat housing and raw water pump is a grand or so (?). I'm bookmarking that one for the future... A couple of gallons of octane booster could fix the problem with 91.

That kind of torque is well past what is recommended for an Alpha and I think it's a bit past a basic Bravo spec. It may be close to the spec limit for a Bravo 1X... That said, Seacrafts are light enough that drives seem to last a long time if you're nice to them.
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  #3  
Old 12-05-2014, 02:10 PM
Entourage Entourage is offline
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The 383 stroker mpi is a nice motor but I think it is a bit much for a 23 seacraft. My brother has one in his and it is nice but I think the 6.2mpi 320hp instead of the 383mpi with 350hp is just as good and prob a little more economical.
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  #4  
Old 12-05-2014, 06:47 PM
77SceptreOB 77SceptreOB is offline
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Island Trader has a 383 stroker in his 1964 21'. It runs real good with a ton of mid range torque/Power. I think his WOT is 50+
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  #5  
Old 12-05-2014, 06:59 PM
Entourage Entourage is offline
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Here is the 383mpi stroker.
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