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Supercharge or Turbocharge

Old 02-07-2004, 09:53 AM
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Tom Earhart- I want to know more about that B-max-blackhawk drive. How did you do it? Why not use a bravo 3 lower with a nosecone added- wouldn't that be easier? Any pictures?
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Old 02-07-2004, 11:30 AM
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Gale Banks Turbo 454 Mercruiser Motor Engine! for sale on Ebay
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Old 02-08-2004, 10:59 PM
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Since I would have to shell out big bucks for a drive it is looking like I need to go big inch N/A.

I was told that a 22' Scarab shouldn't go over 80 anyway.

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Old 02-08-2004, 11:33 PM
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Originally posted by jody165
No need to worry about the intercooler design. There are a couple very good marine designs on the market already. Extensively used in Water Ski Racing applications up to 1400hp. Richard Lee setup is the most popular now. He has water jacketed SS headers that work very well. Alternately, Gentry developed a system with a nice intercooler (the newer ones are much larger and more efficient) as well as aluminum manifolds.

The following west coast engine builders/suppliers have a ton of experience with Marine EFI Turbo setups, mainly due to their ski racing involvement. They would be able to provide advise on whether this is a good application or not and what to look out for. They could all sell you the right equipment to set it up too:
Richard Lee/Lee Performance Products
Gordon Jennings/Pfaff Racing Engines
Bob Teague/Teague Custom Marine
Gary Teague/GT Performance
Boost Power USA

Good luck
No problems with the guys above, but you forgot the turbo king, Carson Brummett/ Brummett marine
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Old 02-09-2004, 07:55 AM
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I see no reason why your Scarab shouldn't go faster.

Geoo's 1976 18' Donzi runs 100.
Your boat is 4' longer than his - should be good for at least 110.
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Old 02-09-2004, 12:46 PM
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Forgot about Carson, I heard he is very good with Turbo engines. He has a nice older 38 Larry Smith flatdeck too.

As much as I love turbo engines, I would go large cube N/A and have fun. No troubles.

That 22 Scarab will be extremely unstable at anything above 80mph, in my opinion. They weren't designed for that speed. You can make it go that fast (just add power) but I wouldn't ride in it. Some boats were designed for that so upgrade your boat if you really want to go that fast. Maybe a small older cat or something. 25 Talon would be awesome.

Good luck
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Old 02-09-2004, 10:22 PM
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Default Bmax-Blackhawk

Cobra Marty - I used the Black Hawk for serveral reasons, first is my boat is a 24' Eliminator that dosn't have any transome height so I need the short 13.5 distance between input and output shafts, second I have two black hawks that I used to try to keep running,
and third I have a complete selection of black hawk props. Your boat could handle a much taller drive then mine, so the bravo three might work for you. My boat was much faster and easier to drive with the black hawk, I think having the prop shaft 3" above the water line and the elimination of steering torque are the big reasons. I will be posting some pictures so as I get it all painted and the new decals on it.
Thanks for your interest, Tom
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Old 07-27-2004, 05:44 AM
John at J&S
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Default Re: Supercharge or Turbocharge

Hello, Mr Earhart. Can you send me your contact information, please? It's been a while since we talked.


John Pizzuto, J&S Electronics
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