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-   -   1993 Formula 271 HP/Speed Upgrades (https://www.offshoreonly.com/forums/formula/222012-1993-formula-271-hp-speed-upgrades.html)

85Baja 12-30-2009 03:27 PM

1993 Formula 271 HP/Speed Upgrades
 
Im looking for some upgrades to do to my fomula to get maybe a few more mph out of it. Being sluggish out of the hole doesnt bother me but i really want the top end mph. this is what i have

502 efi
Bravo 1
23pitch prop

I know i could start playing with props, which i will do in the spring, however what prop do you think would give me the most top end speed? Also any engine modifications i can do to get me just a few more MPH? im looking to spend 1000$ maybe 2000$ at the most, but what can i get the most bang for my buck?

Also, I dont want to sacrifice getting rid of my fuel injection, and i dont want to get rid of my silent choice exhaust. Thanks for any and all tips!!!

jaybird 12-31-2009 09:46 AM

What is on it for exhaust? If it's the stock Merc "logs" you can pick up anywhere from 5-10% increase in HP and drop a fair amount of weight with aftermarket exhausts like EMI, CMI, few others too. Probably exhausts and props are the simplest and cheapest upgrades.

85Baja 01-01-2010 07:49 PM

I wanted to leave the exhaust alone because i like the silent choice option thats on it. On my last boat i put EMI exhaust on it.. It sounded great and i had probably one of the louder boats on the lake but im kinda looking for some other type of upgrade. any other ideas?

88242LS 01-03-2010 05:45 PM


Originally Posted by 85Baja (Post 3015998)
I wanted to leave the exhaust alone because i like the silent choice option thats on it. On my last boat i put EMI exhaust on it.. It sounded great and i had probably one of the louder boats on the lake but im kinda looking for some other type of upgrade. any other ideas?

Silent choice? or Silent thunder?

85Baja 01-03-2010 09:31 PM

i believe its silent choice.. Made by corsa...


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