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Keep & Kill
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View Poll Results: which do you prefer?
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Vance & Hines
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142 |
47.65% |
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Screamin' Eagle Slash Cuts
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57 |
19.13% |
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Get a 2-1 already...
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88 |
29.53% |
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Who care's about HP, Get some LOUD Drags..
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19 |
6.38% |
5th June 2008
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XL FORUM LIFE MEMBER
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Join Date: Aug 2005
Location: MARY Lund, YUK !
Posts: 15,587 Sportster/Buell Model: XLH-1208 Sportster/Buell Year: 1997
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Dyno Run, V&H straight shots vs. Screamin' Eagles
I posted this in the sticky, but I wanted to get some feedback as well as provide some information between the pipes.
Vance & Hines Straight Shots (Baffled with a lollipop)
Screamin' Eagle Slash Cut with Moddified Baffles (Holes cut out in baffles)
Screamin Eagle 1200 Heads 61cc 10° dome
.010 over 10° dome pistons
Screamin' Eagle 1200 Ignition.
Screamin' Eagle Air Box (original) with K&N filter
Stock Carb
Stock Cam
Stock Wires
__________________
States I've Ridden in
71.3 hp 70.8 tq
1208cc 11.09:1 (Wiseco 10° Dome 10.5:1 .010 over) ,Screamin Eagle Dual Plug Heads (10° 61cc), Original SE A/C, Vance & Hines Straight Shots w/ Custom Baffles. SE 6800 ign, Dual BREMBO brakes/ Pirelli Night Dragon MU85-16 Rear - 100/90-19 Front. Progressive Springs & 412 HD 13½" Chrome Shocks, 5½" pullback riser w/ "reddtigger mount", Stebel Nautilus Compact Air horn, Mustang Vintage Super Wide Touring Seat, Alto Carbonite Clutch
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5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Sep 2006
Location: Dallas
Posts: 7,764 Sportster/Buell Model: XLH 1200 Sportster/Buell Year: 1988
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I not that impressed with the bottom end below 3300 rpm. With stock cams and that high of compression it seems like it should be at least 5 hp more? My experience with SE slip ons was about the same. I lost bottom end too.
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5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Dec 2006
Location: Fredericksburg, VA
Posts: 5,281 Sportster/Buell Model: N/A Sportster/Buell Year: N/A Other Motorcycle Model: FXDL Low Rider Other Motorcycle Year: 2007
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I must say I like the torque of the V & H. But will a difference of 1-3 hp or ft/lbs really be that significant? I'd be making aesthetic decisions at this point, personally. Between those two, I like the look of the slash cuts over the straight shots. (You were wanted opinions like this, yes?)
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5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Sep 2006
Location: Dallas
Posts: 7,764 Sportster/Buell Model: XLH 1200 Sportster/Buell Year: 1988
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Quote:
Originally Posted by wandrur
I must say I like the torque of the V & H. But will a difference of 1-3 hp or ft/lbs really be that significant? I'd be making aesthetic decisions at this point, personally. Between those two, I like the look of the slash cuts over the straight shots. (You were wanted opinions like this, yes?)
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In a side by side roll on 3 hp looks huge.
From the choices allowed in this poll I vote for V&H because of looks, and the fact that they work pretty good. I don't like 2:1, I guess you all know that by now. Anyone that says HP doesn't matter is lying to themselves. |
5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Jan 2007
Location: Huntsville, AL
Posts: 4,372 Sportster/Buell Model: XL1200 Custom Sportster/Buell Year: 2005
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Looks like you're runnin' just a bit lean. I wonder what would happen to those numbers if you shim the needle up one notch. I bet they'd improve a horse or 3...and improve the torque number...
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5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Mar 2007
Location: Calgary, AB, Canada
Posts: 5,073 Sportster/Buell Model: XL1200C Sportster/Buell Year: 2006
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Quote:
Originally Posted by Hot Rod Sporty
Looks like you're runnin' just a bit lean. I wonder what would happen to those numbers if you shim the needle up one notch. I bet they'd improve a horse or 3...and improve the torque number...
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The AFR on the Graphs shows RICH, not Lean. |
5th June 2008
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Senior Master Custom Bike Builder
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Join Date: Jan 2007
Location: Huntsville, AL
Posts: 4,372 Sportster/Buell Model: XL1200 Custom Sportster/Buell Year: 2005
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Quote:
Originally Posted by Lenster
The AFR on the Graphs shows RICH, not Lean.
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You're right. My bad....  |
5th June 2008
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XL FORUM LIFE MEMBER
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Join Date: Aug 2005
Location: MARY Lund, YUK !
Posts: 15,587 Sportster/Buell Model: XLH-1208 Sportster/Buell Year: 1997
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the bike was set a little rich, so that when I got down to sea level, it'll be right on the money.
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5th June 2008
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XL FORUM LIFE MEMBER
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Join Date: Aug 2005
Location: MARY Lund, YUK !
Posts: 15,587 Sportster/Buell Model: XLH-1208 Sportster/Buell Year: 1997
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Quote:
Originally Posted by biknut
In a side by side roll on 3 hp looks huge.
From the choices allowed in this poll I vote for V&H because of looks, and the fact that they work pretty good. I don't like 2:1, I guess you all know that by now. Anyone that says HP doesn't matter is lying to themselves.
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I'm not worried about a 3 hp at the MAX of the scale. when I'll roll it on, it'll be just about the same. with a little more torque..
Torque gets you going,
HP keeps you going. |
6th June 2008
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Senior Master Custom Bike Builder
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Join Date: Sep 2006
Location: Dallas
Posts: 7,764 Sportster/Buell Model: XLH 1200 Sportster/Buell Year: 1988
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Quote:
Originally Posted by ReddTigger
I'm not worried about a 3 hp at the MAX of the scale. when I'll roll it on, it'll be just about the same. with a little more torque..
Torque gets you going,
HP keeps you going.
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A lot of roll on's start at about 50-60 mph. I'm just saying it looks a little weak down there for stock cams and high compression. Maybe about 5 HP. |
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