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barron 08-28-2006 06:33 AM

Top Speed ?
 
!989 33' fountain w/ TRS drives and 420's .Thanks :D

BAJA WILL 08-28-2006 07:20 AM

Re: Top Speed ?
 
I am going to guess 70ish but not real familiar with that boat or set up :D

GS42fun 08-28-2006 08:47 AM

Re: Top Speed ?
 
You will be right about 72 mph.

Single With Twins 08-28-2006 08:51 AM

Re: Top Speed ?
 
I would say more like 65-66mph, just my 2 cents.
Good luck

barron 08-28-2006 08:52 AM

Re: Top Speed ?
 
How much more hp to get in mid to high 70's?

88Fountain 08-28-2006 10:29 AM

Re: Top Speed ?
 
My 1988 29' ran 72 GPS stock with 454mag/365's and bravo's.

10x 08-28-2006 11:08 AM

Re: Top Speed ?
 
A friend of mine bought one of them new in 89. It had 420's and trs's. Full of fuel it ran 73-74. Light on fuel, 2 people I've seen 75-76. The engines were stone stock with the old style cast iron exhaust manifolds.

Frank

beakman 08-28-2006 11:16 AM

Re: Top Speed ?
 
My 38 does 66-68 same pkg...

Smarty 08-28-2006 11:29 AM

Re: Top Speed ?
 

Originally Posted by 10x
A friend of mine bought one of them new in 89. It had 420's and trs's. Full of fuel it ran 73-74. Light on fuel, 2 people I've seen 75-76. The engines were stone stock with the old style cast iron exhaust manifolds.

Frank

EXACTLY!

JIMG 08-28-2006 12:29 PM

Re: Top Speed ?
 
I have an 88 33'. You should be in the mid to upper 70's with about 450HP. I run upper 80's with about 650HP w/trs. I did have smaller engines before which ran in the mid 70's. You do need to have a dry, strong, staight, well kept hull if you want to run fast.


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