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Full Version: 660 Big Bore. Who makes the best Kit?
HCS Snowmobile Forums > Snowmobile Forums > Polaris General Discussion > XC/XCR
huclbuck
Thinking about sending out for a 660. Just interested in other's experiance with these kits and what's the best one is out there.
Locknut
Doug Flannery.
huclbuck
QUOTE(Locknut @ Sep 25 2007, 06:37 PM) *
Doug Flannery.

How much HP will his setup push out?
xcr/ultra929
QUOTE(Locknut @ Sep 25 2007, 06:37 PM) *
Doug Flannery.

what he said!
Locknut
From what he told me it depends on the piping~135-140.
timespentsearching
im pulling 150 (149.2 actually on dyno, i outrun mach z's and apexes all day long) out of my carls cylce with twin pipes, airbox and reeds.
PolarisNut
QUOTE(huclbuck @ Sep 25 2007, 05:53 PM) *
Thinking about sending out for a 660. Just interested in other's experiance with these kits and what's the best one is out there.


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