Mods for 225 Promax
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Go to www.screamandfly.com there are some very good engine builders orver there that make alot of HP out of these engines.
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Join Date: Jan 2009
Location: NJ
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Go to www.screamandfly.com there are some very good engine builders orver there that make alot of HP out of these engines.
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Join Date: Sep 2009
Location: Fort Worth, Texas
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I took mine to Key Puckett at Fishin World in Dallas Tx.. He is an expert w these motors and holds a lot of world records. They shaved the heads on mine, changed out the exhaust tuner and drilled the exhaust. Putting on and injection head is about $1500 and in my opinion is not worth the $$$ for 1-2 mph more the motors just don't flow enough air. Felt like an extra 50hp really made a big difference. I think the comp. went from 130psi to 145psi, that way they still can run wfo and not get hot. If I recall I spent about $1500.oo
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