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Sportster Motorcycle Drag Racing Discuss drag racing on a Sportster Motorcycle.

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  #91  
Old 24th July 2012
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NO NO !
No Snake Oil !
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Thy Sportster Come
It Shall Be Done
On Earth as it is on Salt
2006 Sportster XL1200C
Mikuni HSR 45
Jetted 27.5 slow,172.5 Main
97 Needle,Clip posistion 3
Hurricane Flow 3" offset AC,Rocketman Mod
Daytona Twin Tec TC88A,Rico Nomad Map
Sumax Thundervolt plug wires,NGK DCPR8EIX spark plugs. Gapped .040 and Indexed
Cycle Electric Stator and Regulator
Alto Carbonite Clutch
Royal Purple 20W50 MC Primary oil
Patriot Defender Pipe
Royal Purple 20W50 MC oil
Wix 57148 oil filter
Max Power, 79.17
Max Torque, 75.98
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  #92  
Old 24th July 2012
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madnss madnss is offline
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Ill try some redline !!!!!! Rocket
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  #93  
Old 24th July 2012
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Sportster/Buell Model: sportster
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Sportster/Buell Model #2: 1200 xl sportster custom
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red line makes a good product out there anymore when it comes to oil there all pritty good.
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  #94  
Old 14th August 2012
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Factory clutch is holding up after my tranny clutch issue. The weather has finally broke here in the Midwest, no more 100 degree days in the 10 day forecast. Going to head to the track Friday if time allows. If I go I have some nonpump gas fuel that I'm going to try. The rule of thumb for the fuel is to bumb up the main two jet sizes. Don't have time for a Dyno tune with the fuel so I'll just try 2 jet sizes bigger and go from there. If my mph does not hit 115mph or higher I'm assuming it will need more fuel or less. I believe that's how a person can tune a main jet without a Dyno on the track. Amy input would be helpful, thanks Ryan
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  #95  
Old 14th August 2012
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what race fuel are you running 116 now keep in mind you are better off to give her more timing ,116 or most race gases are more dead then they are explosive like super at the pump will light easer then 116 race gas id leave your jets alone unless you are running alcohol then yes buy all means jet up but alcohol is hard on parts very corrosive .
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  #96  
Old 14th August 2012
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Quote:
Originally Posted by Bob s hog View Post
what race fuel are you running 116 now keep in mind you are better off to give her more timing ,116 or most race gases are more dead then they are explosive like super at the pump will light easer then 116 race gas id leave your jets alone unless you are running alcohol then yes buy all means jet up but alcohol is hard on parts very corrosive .
U4.4 vp gas. octane rating is around 102 or close to that. i don't have the compression for those other high octane fuels. this fuel is oxygenated.
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  #97  
Old 15th August 2012
mac93 mac93 is offline
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We went from C12 to VP113 a couple years ago. Definitly had to jet up on both the main and t-jet just can't remember how much but 2-3 sounds about right. Not only picked up some power but it's also more consistent. Good luck.
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  #98  
Old 15th August 2012
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Quote:
Originally Posted by mac93 View Post
We went from C12 to VP113 a couple years ago. Definitly had to jet up on both the main and t-jet just can't remember how much but 2-3 sounds about right. Not only picked up some power but it's also more consistent. Good luck.
Thanks mac.
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  #99  
Old 15th August 2012
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If you jet up and she wont ET or MPH you know shes fat
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  #100  
Old 15th August 2012
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Quote:
Originally Posted by rocketmangb View Post
If you jet up and she wont ET or MPH you know shes fat
Rite on! I'm hoping to break into the 11.40's
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