MPH out of a 22'?

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02-19-2009 | 07:28 AM

#11

trc2

scarab

Joined: Aug 2006

Posts: 315

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From: Easton Maryland

when I had my 1997 22 scarab it had a 310 7.4 454 efi in it and it ran on gps 68 to 70 then I had a 454 mag 385 put in it and it ran 73 gps hope this helps this was with a 25 pitch 3 blade prop

02-21-2009 | 08:21 PM

#12

jbraun2828

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Joined: Oct 2007

Posts: 1,465

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From: Grand Haven, MI

will run close to 70 with a mag, water has to be pretty flat

02-22-2009 | 06:22 AM

#13

bobo1

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I have a 1990 21 excel stock 7.4 3 blade quicksilver 61-62mph. boat weighs 3800lbs. i believe a 22' is 3200lbs. If that helps.

02-22-2009 | 10:19 PM

#14

Unitek

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Joined: Aug 2005

Posts: 259

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My 22 stock went 62 mph on a hand held GPS
Then I did:
H/C/I 454 with a 175 shot of Nitrous ran in the mid 80's with a labbed 30 bravo1

06-15-2009 | 06:31 AM

#15

maryokaan

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Quote:

Originally Posted by pullthetrigger

Had one with a built 454 5700rpm ran 79-81 with 27 mirage prop. fast boat that handled well for the size. Wish I had it back.

Hi, how can you make 5700 rpm out of 454? I HAVE A VOLVO ENGINE 7.4 gi and with 25P prop it can only turn 4200 rpm not more, There is CMI headers added but no other modifications at all...

WHat i your suggestion?

06-15-2009 | 06:47 AM

#16

maryokaan

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Quote:

Originally Posted by fastscarab22

Running a stock 330 motor, 23 pitch 3 blade 62 to 64, i have a hp 500 with little tweeks and with a shorty it will run 80 mph plus, put on steering and tabs and it will fly

Hi,
I exactly need the kind of tweeks you above suggested? what is the easiest way to tweak it to 500 hp?
What kind of prop will i need after tweeking?

06-15-2009 | 07:19 AM

#17

Rookie

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Joined: Jan 2003

Posts: 6,020

Likes: 1,522

From: Grand Rapids, MI

Quote:

Originally Posted by maryokaan

Originally Posted by fastscarab22
Running a stock 330 motor, 23 pitch 3 blade 62 to 64, i have a hp 500 with little tweeks and with a shorty it will run 80 mph plus, put on steering and tabs and it will fly

Hi,
I exactly need the kind of tweeks you above suggested? what is the easiest way to tweak it to 500 hp?
What kind of prop will i need after tweeking?

The HP 500 fastscarab22 is referring to is a Merc 502ci 500 Horsepower engine. The tweaks you need to make your stock 330 500 horsepower is about $4000-$5000.

06-15-2009 | 07:23 AM

#18

maryokaan

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Quote:

Originally Posted by Rookie

The HP 500 fastscarab22 is referring to is a Merc 502ci 500 Horsepower engine. The tweaks you need to make your stock 330 500 horsepower is about $4000-$5000.

Thanks for the info,
What would be the necessaties point by point?
Can you make a list of parts i would need exactly?
Or who would help me out with that?

Thanks

06-15-2009 | 08:02 AM

#19

Rookie

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From: Grand Rapids, MI

Quote:

Originally Posted by maryokaan

Thanks for the info,
What would be the necessaties point by point?
Can you make a list of parts i would need exactly?
Or who would help me out with that?

Thanks

Do a search in the Performance Technical section. "330 on Roids"

06-15-2009 | 04:54 PM

#20

Mopwr

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Joined: Jan 2009

Posts: 30

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From: Roches Point

Scarab

I heard 65 -70 mph is running well with a stock unit ...I have a stock 350 and can get 63 with with two people and a full tank ....

Do you know the capicity of the fuel tank ??

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