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Thread: Will I need a new impeller?
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01-17-2006, 01:43 AM #1
Will I need a new impeller?
I have almost completed my home made intake for my rxp. I am using the factory elbow out of the SC into a coupling that than increases in size, and goes all the way up about 15" past the fuel tank. I don't know whether to use 3" or 4" hose llet me know what you think. Will this mod require a new or repitched impeller?
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01-17-2006, 08:05 AM #2
Use 4" hose. You wont know if you need a repitch until you run the ski and take note of your RPM's
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01-17-2006, 01:51 PM #3
thanks for the tip. Maybe you could answer my ? How extensive should my engine be modded before I try the exhaust mod like on Cooke's ski? That looks sick. Will I notice any difference with the RR resonator bypass or just the annoying 2000-3000 rpm rumble? I'm ready to see some pics.
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01-17-2006, 02:26 PM #4
Don't do the waterbox mod until you port the head, or add boost.
You won't notice a difference with the resonator bypass. Just a louder exhaust note and a very annoying sound at around 3000 RPM's.
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