am i just dumb???? 150hp motor converted to 200hp

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rockhound
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am i just dumb???? 150hp motor converted to 200hp

#1 Post by rockhound » Mon Aug 18, 2014 1:14 pm

http://tulsa.craigslist.org/boa/4586998821.html

exactly how does that happen??????
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ToonGuy
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Re: am i just dumb???? 150hp motor converted to 200hp

#2 Post by ToonGuy » Mon Aug 18, 2014 1:21 pm

Maybe that's the "issue" :lol3
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Re: am i just dumb???? 150hp motor converted to 200hp

#3 Post by RcgTexas » Mon Aug 18, 2014 8:29 pm

exactly how does that happen??????
It must be the pixie dust................ :roll:
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Re: am i just dumb???? 150hp motor converted to 200hp

#4 Post by BoatCop » Mon Aug 18, 2014 8:48 pm

Depending on the engine, the HP can be changed by tweaking the computer for timing, fuel pressure and injection, plus using higher octane fuel. All 4 would have to be done, as just 1 wouldn't do anything good for the engine. Some porting (machine work) on the intake and exhaust would also be required.

Either that, or he just changed shrouds or HP decals. :?
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Re: am i just dumb???? 150hp motor converted to 200hp

#5 Post by MH Hawker » Mon Aug 18, 2014 9:15 pm

Those are called frankenmercs and unless you want one just to fuck with i would advise you not to pick it up, its a endless money pit that never runs right.
Last edited by MH Hawker on Tue Aug 19, 2014 10:18 pm, edited 1 time in total.
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Re: am i just dumb???? 150hp motor converted to 200hp

#6 Post by margaritaman » Tue Aug 19, 2014 8:00 pm

On a pallet ready to go but will it! Won't buy a used motor without testing if it runs.
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rockhound
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Re: am i just dumb???? 150hp motor converted to 200hp

#7 Post by rockhound » Wed Aug 20, 2014 6:32 am

was not even considering buying it, just got a laugh out of it.

timing and fuel??? i have never seen any engine get 33% increase in power by changing timing and fuel. I don't think any manufacturer would even consider retarding a motor that badly especially in a marine application. motor would not be long for this world.
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Re: am i just dumb???? 150hp motor converted to 200hp

#8 Post by smoker62 » Wed Aug 20, 2014 8:49 am

Intermittent issue LOL. Yeah sometimes it runs sometimes it doesnt.
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rockhound
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Re: am i just dumb???? 150hp motor converted to 200hp

#9 Post by rockhound » Sat Aug 23, 2014 8:11 am

Could the powerhead have been changed out???? I just saw another ad that have a 175 powerhead under a 150 cowl.
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Re: am i just dumb???? 150hp motor converted to 200hp

#10 Post by LittleRiver » Sun Aug 24, 2014 5:22 am

BoatCop wrote:Depending on the engine, the HP can be changed by tweaking the computer for timing, fuel pressure and injection, plus using higher octane fuel. All 4 would have to be done, as just 1 wouldn't do anything good for the engine. Some porting (machine work) on the intake and exhaust would also be required.

:?
Bingo.
Several of the manufactures use the same CI to achieve different HP levels. You can up the injector size, flash the computer or replace the computer with a 200hp unit, ( same thing , different direction) and up the power on a motor but why buy one that has been tinkered with when there hundreds out there that have not. :nono
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Re: am i just dumb???? 150hp motor converted to 200hp

#11 Post by teecro » Sun Aug 24, 2014 5:44 am

Oversize pistons, changed stroke, cams, injectors, decals who knows.... But at 18 years old it will not be my intermittent issue!
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rockhound
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Re: am i just dumb???? 150hp motor converted to 200hp

#12 Post by rockhound » Tue Aug 26, 2014 1:08 pm

teecro wrote:Oversize pistons, changed stroke, cams, injectors, decals who knows.... But at 18 years old it will not be my intermittent issue!

no sh.., like i said i just thought the ad was funny.
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Re: am i just dumb???? 150hp motor converted to 200hp

#13 Post by teecro » Tue Aug 26, 2014 2:31 pm

rockhound wrote:
teecro wrote:Oversize pistons, changed stroke, cams, injectors, decals who knows.... But at 18 years old it will not be my intermittent issue!

no sh.., like i said i just thought the ad was funny.
And it was.....
T CRO
2017 Berkshire CTS 24 RFX with Yamaha F150/Simomized 200
2015 Caravelle 16 EBo with Mercury 90

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