scot in exile

Living Legend
Joined
Jan 14, 2006
Messages
9,359
Location
Fort walton Beach FL, Glenrothes Fife
Ride
2011 Rocket
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The last Dynotune I had done a few years go showed around 169hp , recently installed the sidewinder and had it dyno'd again today on the same machine
 

barbagris

Mad Scientist
Joined
Aug 1, 2010
Messages
12,988
Location
On the verge of insanity
Ride
1979 Guzzi V1000G5 - 2018 KTM 790 Duke
Assuming same rpms - about 23ftLbs more torque. Not a huge %.
On my Buell just changing the muffler gave 33% more torque. A bottleneck is a bottleneck.
 

scot in exile

Living Legend
Joined
Jan 14, 2006
Messages
9,359
Location
Fort walton Beach FL, Glenrothes Fife
Ride
2011 Rocket
35 hp from a header change???
R U sure?
The numbers do not lie:D not just a header change I removed the 300#TORS and stock header and installed the 15# Sidewinder
At the same rpms? - There is a HUGE dip in torque twixt 2500 and 3000, mate. That would piss me off royally.
Please go right ahead and be pissed off today:p still a work in progress.
So basically TORs with stock header,
I recall you had a street cam - or is that someone else.
Ramair/k&n’s ??
Have the K$Ns the small ones if I went with the 4040(I think it could breath a bit more, have the carpenter 210kit on the bike(head, cam clutch work)
 
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