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fountain 33' executioner convert to outboards?

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Old 06-13-2011, 09:07 AM
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Don,t worry about it ,it will run nice with 2 x 225 hp outboards ,I did a Scarab 31 Viper that had 2 x 454,s with bravo,s to 2 x 225EFI Mercury outboards ,the boat run 62 MPH with no prop tweaking at all ,no engine height ,I just used a stainless marine bracket with 20 inch setback and centerline lowers even with the bottem ,and it run great.
Have no info about how the boat ran with the 454,s as I bought it with no power ,but I guess the boat would have run 65-67 mph with the twin big blocks ..
I use 24 pitch choppers ,and still have 200 rpm left (5600 rpm ,and 5800 is the max) I think when I had some more /better bow lifting props with 4 blades it would have run 66 mph too

Last edited by stirling; 06-13-2011 at 09:09 AM.
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Old 06-13-2011, 12:05 PM
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Contact Billy Frenz at the N.P.B.A. (National Powerboat Association) I think he may be Frenzy on the forum. He did just that on his 33 Fountain and I think he still has the boat. I do remember it having triples though.
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Old 06-13-2011, 12:33 PM
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Those 225's will make one slow mofo.

Re-glass the transom, sell the 225's and get a good pair of 502 mag's or 496HO's with B1's and run it like you stole it.

Good luck with it.
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Old 06-13-2011, 06:40 PM
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goosesgarage, To give you a comparision I did over a MAGNUM SEDAN. When I bought it in '98, it had 225 Merc's on Gil brackets, motors were mounted too low, than 1 blew up. I than found a pair of 300 Pro Max w/SportMaster lowers, installed a Stainless Marine 18" bracket, IMCO steering & 4-blade 24* props... boat did 71GPS. Next I purchased a pair of 300 X motors & labed props... runs 80GPS today !!! PM me for more info on your build. "HIGH LIFE"
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Old 06-13-2011, 07:08 PM
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Originally Posted by HIGH LIFE View Post
goosesgarage, To give you a comparision I did over a MAGNUM SEDAN. When I bought it in '98, it had 225 Merc's on Gil brackets, motors were mounted too low, than 1 blew up. I than found a pair of 300 Pro Max w/SportMaster lowers, installed a Stainless Marine 18" bracket, IMCO steering & 4-blade 24* props... boat did 71GPS. Next I purchased a pair of 300 X motors & labed props... runs 80GPS today !!! PM me for more info on your build. "HIGH LIFE"
Go for it man!
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Old 06-13-2011, 10:11 PM
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You can do it but will need triples for sure, or two BIGASS outboards, like V-8 Evinrudes or V-8 Yamahas.

Trip 225s should be able to get you so-so performance
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Old 06-13-2011, 10:36 PM
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I am pretty sure Fountain offered it in an outboard version way back when. So you won't be the first, however it is an old heavy boat and I think 2 225 is a little on the low side. PS was that boat set up for surface drives?
You are correct. Founain did build some with outboards.
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Old 06-24-2011, 01:04 PM
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well i decided to go back with big blocks and trs drives thanks for the help
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Old 06-24-2011, 02:15 PM
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well i decided to go back with big blocks and trs drives thanks for the help
smart move bro
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Old 06-24-2011, 08:29 PM
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With a set of 500 hp big blocks and the TRS's, she will run real nice.



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