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jessehansen 02-09-2010 08:39 PM

indy 650 for a 1000 ft radar runs
i have a 650 with a 732 big bore kit and decker pipes. the problem im having is it wont rev over 8900 and i would like to take it to 9500 does anyone have a idea on what kind of set up i should put in it that help me?

Madcow 02-10-2010 07:32 AM

where are the pipes suppose to run at? if they ran at 9500 on the 650 then 8900 might be the max on the big bore.

jessehansen 02-10-2010 08:23 PM

there decker pipes for a 650 so what u r saying is that they wont let the motor turn them rpms what should i do our what pipes would work so i can turn more rpms?

Slamdry 02-10-2010 10:06 PM

you dont necissarily need more rpm's to make max power. your probably already curving over so more rpm's would hrt you more then help.

Madcow 02-11-2010 06:10 AM

you have to find out from decker what rpms the pipes are suppose to run on your engine.

once you know the rpms of the pipes for your engine, then you can ask how much to remove from the head pipe and center section to make it rpm to where you want.

then you have to know if the engine has been ported to run that rpm.

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