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Forum: General Boating Discussion

06-12-2006, 11:32 AM

Replies: 9

Two Speed Transmissions

Views: 4,986

Posted By guilderoy

Re: Two Speed Transmissions

Ultimate Cat.

The boat is a 89 scarab 33. original weight was 7500 lbs. Target Speed is about 65-70 Steady. So If I go with the 1.5 Ratio, what prop would help us get there? From My Calculations...

Forum: General Boating Discussion

06-10-2006, 07:11 PM

Replies: 9

Two Speed Transmissions

Views: 4,986

Posted By guilderoy

Re: Two Speed Transmissions

Thanks for the advise guys. Looking to put together a setup that would squeeze as much speed out of these Diesels. I can go with either a 1.5 or a 1.36. What advise would you guys give on prop...

Forum: General Boating Discussion

06-08-2006, 03:26 PM

Replies: 9

Two Speed Transmissions

Views: 4,986

Posted By guilderoy

Two Speed Transmissions

What are the performance gains using a twospeed transmission. I am running a v8 hammerhead diesel. 330hp@4000 rpm 500f/lbs @1700. Will the two speed increase my topend? What drive will I have to use...

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