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08-12-2009, 02:18 PM
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#1 (permalink)
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Member
Join Date: May 2009
Location: B.C. Canada
Posts: 58
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torque cones
I ride an 04 softtail standard with short Bassani pipes with thru-baffles and a Ness a/c . Its running a little lean so I'm going to order a jet kit as I'm planning a road trip and would like to sort it out before I go. Does anybody know what effect torque cones would have on my bike? Would it run richer/leaner, more power or less, or should I not bother? I read Dave's article on backpressure. Was a great read, and I learned lots (thanx Dave), but it didn't clear this up for me. Any and all info would be greatly appreciated.  |
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08-12-2009, 02:21 PM
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#2 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Torque cones produce a higher exhuast velocity, and help with engine scavenging. They'll help restore some of your midrange torque and will probably make the engine a tad richer, but not by much.
They help create some backpressure, but at the cylinder, where it's most needed.
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended. 
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08-12-2009, 02:38 PM
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#3 (permalink)
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Member
Join Date: May 2009
Location: B.C. Canada
Posts: 58
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So I should put in the cones and do the jets?
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08-12-2009, 02:44 PM
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#4 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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It would run better....
Have you rejetted since the addition of the pipes?
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended.
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08-12-2009, 02:49 PM
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#5 (permalink)
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Member
Join Date: May 2009
Location: B.C. Canada
Posts: 58
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Got the bike in April, don't know what was done. Told it got a stage one kit, been trying to figure it all out. Me thinks maybe its time to pull the carb.
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08-12-2009, 02:51 PM
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#6 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Quote:
Originally Posted by Indian
Got the bike in April, don't know what was done. Told it got a stage one kit, been trying to figure it all out. Me thinks maybe its time to pull the carb.
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Pulling the plugs would be first. If they're white, then adding fuel is our next step. Knowing where to add the fuel is important as well.
Shimming the needle jet is as important as increasing your main jet.
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended.
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08-12-2009, 02:59 PM
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#7 (permalink)
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Member
Join Date: May 2009
Location: B.C. Canada
Posts: 58
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Changed plugs a few days ago, and they looked more gray than tan, which made me think it was a little lean. I'll pull them again to see what the new plugs look like.
__________________
George
When all else fails, force prevails.
I'm the only hell my Momma ever raised.
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08-12-2009, 03:34 PM
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#8 (permalink)
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Member
Join Date: May 2009
Location: B.C. Canada
Posts: 58
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Well, I went and pulled the plugs. After looking at them, and the old ones again, I'm not sure if its lean or not. They don't look that bad. I think I'll just put in the cones for now and see what the plugs look like then. 
__________________
George
When all else fails, force prevails.
I'm the only hell my Momma ever raised.
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