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Xb9srider
Posted on Wednesday, April 07, 2004 - 07:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hey gang!

I said I would post a dyno pull. I had American Harley-Davidson in Ann Arbor, MI do it this afternoon. My base run on this same dyno last fall was 75.6 hp/58.2 ft.lbs. They have since moved to a new, climate controlled (15 degrees warmer) dyno room and downloaded a program change to the dyno, so it's a bit of apples to oranges according the tech. Today I pulled 79.5 hp/65.5 ft.lbs. There's about a 6 hp gain at 5000 RPM. I was a bit disappointed. However, he told me that same bike runs before and after move and download are down a few hp. No matter. I love the way it sounds and it is noticeably peppier with power wheelies in first and quicker acceleration. It's a good change.

Performance mods:
Buell race kit (polished can)
JetHot coated header
XB12 airbox cover

All in all, I'm happy with the setup and it's smoother as well. Highly recommended. Ride safe.

Mark
Never Give Up!
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Gonen60
Posted on Wednesday, April 07, 2004 - 07:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

awesome..
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Martin
Posted on Thursday, April 08, 2004 - 09:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I spent an hour last night on the dyno farting around with my XB9 and got some strange results.
baseline run was 77.42 and 62.16 ft-lbs. By richening-up a lot with the PC111 (just doing full-throttle runs)that went up to an astounding 78.9 and 62.98!What the numbers don't demonstrate is the rate of change in power production. Now its like someone fastened a bungee to the tacho needle above 5500 rpm.
I'm drag-racing on Sunday so we'll see if the times are cut.

I have a lot more tweaking to do but it certainly pays dividends so far.

XB9
Airbox stuffer
Luckys exhaust
Iridium plugs
White-wire cut
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Jerseyguy
Posted on Thursday, April 08, 2004 - 10:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Mark, I started with the race kit too. While I had the race can on, I had the stocker converted into a Drummer. I think it pulls harder throughout the range with the Drummer & Brian's dyno results take it into the low 80s for peak HP as well. It would be interesting to see what your bike, on that dyno makes with a Drummer.
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