Hi.... i have some cuestion... i´ve 250 evinrude carb and i wanna get more hp or do it faster, i was thinking in fuel rails, but i don´t now how it works, if i need an electric fuel pump, eliminate vro or something else... and what other mods can i do... thaks
Your questoins would best be answered on http://www.screamandfly.com. fuel rails won't help you'd have to install an aftermarket EFI kit at about $3,500-$4,500 US. Plus porting etc your looking at about $6,000 + US and will decrease the reliability of your motor.
and what about cylinder heads, velocity stacks, light flyweel decrease the reliability of my motor too? and where can i get veloity stacks?? thaks a lot.....
The guys on snf will help you. If you have $6K to spend to hop up a motor only to have to rebuild it at 100 or less hours then have fun. We don't do hop ups here.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by josefinco »</TD></TR><TR><TD CLASS="quote">and what about cylinder heads, velocity stacks, light flyweel decrease the reliability of my motor too? and where can i get veloity stacks?? thaks a lot.....</TD></TR></TABLE>
As CM said, you are looking at decreasing the reliability. Anything you do to a big looper, you have to rejet. You also have to try to find some of the parts.
Not sure what gas costs where you live, but I wouldn't do heads, because then you have to run super unleaded.
I would do EFI if it was me, and I could afford it, otherwise, I would leave it alone, maybe look at reeds.
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96 Javelin 379SE 96 Johnson 150 (J150ELEDB)
Mods: FS carbs, Ficht reed cages, boyesen reeds and
Baker Hot Heads.
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