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-   -   38 Fountain does 124MPH?? (https://www.offshoreonly.com/forums/general-boating-discussion/206805-38-fountain-does-124mph.html)

jcl 04-13-2009 09:14 AM

38 Fountain does 124MPH??
 
This is fast for some little motors: :cool-smiley-027:
Cool video too!

http://www.youtube.com/watch?v=rMgXSAjGZrM

ApachePete 04-13-2009 09:26 AM

Cheater motors.

6000 RPM

The usual Fountain crap.

Wild 04-13-2009 09:37 AM

stock 700s no way

even if they are bumped up to 800hp, thats still an impressive number

jryan26 04-13-2009 09:42 AM

http://www.offshoreonly.com/forums/f...s-believe.html

That is awesome.

AppSysCons 04-13-2009 09:47 AM

No question, Fountain makes fast, very fast boats, but here are the engine specs direct from Mercury Racing, on the HP700SCi.

I saw 6000 rpm on tachs, something is not right.

HP700 SCi
SPECIFICATIONS
Horsepower 700 (522 kW)
Full Throttle RPM Range 4800-5200
Displacement Liter/C.I.D. 8.2/502
Bore (in/mm) 4.47/113
Stroke (in/mm) 4.00/102
Compression Ratio 7.5:1
Cylinders V-8
Alternator (amp/watt) 90/1269
Ignition Type PCM Distributorless
Fuel System Sequential Fuel Injection
Fuel Requirements 89 Posted Octane (R+M)/2, (95 RON) International
Transmission Mercury Racing dry-sump
Drive Unit NXT¹® or NXT¹® SSM*
Gear Ratio NXT¹®, 1.61:1, 1.50:1, 1.35:1,1.24:1 or 1.15:1 or NXT¹® SSM*
Length (in/mm) 35.7/907
(Transom mount to front of engine)
Width (in/mm) 33/838
Height (in/mm) 27.9/709
Weight (lbs/kg) 1548/702
Warranty 1-Year Limited for Recreational Boating

Brad Zastrow 04-13-2009 09:51 AM

Mercury racing 700 sci limiters are 5450 rpm. There is a lot you can do to the 700 and 850 and the 1075 engines if you can get into the box and pulley changes.

Pro1 04-13-2009 09:53 AM

My buddy went for a ride on the OL 42 Super lego and he asked us if the 700s should spin 6200.

ApachePete 04-13-2009 10:25 AM

Can a GPS speedo be tampered with, too? :evilb:

Rik 04-13-2009 10:35 AM

There might be more there than meets the eye, but, the 700 NXT engine makes 785 hp at the crank and MERCURY also told me that they have 720 at the propeller shaft with this package.

So, I think everyone's base line is off here. 800 is low.

Detail Toyz 04-13-2009 10:44 AM

How does it go that fast? 10mph more than normal puls runnin 6000 rs lets just find out the truth and not post rummors


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