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

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  #1461  
Old 4 Days Ago
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cycowrencher cycowrencher is offline
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48mm going on a super g intake with 2.25 in of spacers. Stack will go on first.

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  #1462  
Old 4 Days Ago
mac93 mac93 is offline
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Originally Posted by madnss View Post
Nice carb! What size is it? Gonna run a stack or a/c?
Tried the Lectron, made good power and won with it. The biggest hassle was working around the two-step. Inconsistency in the early numbers. In the end the rider didn’t like like it so the G went back on. Would have liked to spend more time with it. Thought it was a nice carb.
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  #1463  
Old 4 Days Ago
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rejeanprimeau rejeanprimeau is offline
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You need to play with those needles with the Lectron.
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  #1464  
Old 4 Days Ago
jcro61 jcro61 is offline
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  #1465  
Old 3 Days Ago
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Quote:
Originally Posted by cycowrencher View Post
This^ will make 80-85 hp at the tire. Thats the build my bike had when it was still a swb daily rider.

My personal experience with this is...

I was racing at LV with Mac93 on ^ that motor and swb chassis. I was racing a 12.30 dial in. After I went out, I was running TNT and Mac talked me into making a pass on his bar bike... In 20 minutes or so, I had made a 12.3ish pass ans then got on Macs 9.6x bike. I went 10.20 at 125... It was a HUGE jump in the amount of stuff and speed at which everything was happening. It convinced me that I was not ready for that much umph.... I just did not have enough seat time.

Your boy is young, and he should develop much quicker than us old guys did. A mild 1250 in the 12.s to a barn burner in the 9.s is a hefty step, IF it were me.... I would set him up in the high 11s and give a 0.5 second every half season. Also, knowing what I know now.... Get him on the chassis the big motor will end up in... Nothing sucks more than spending 3 of 4 test sessions and 2 races getting used to all the off season chassis mods... That is the biggest challenge. If the chassis always sits and performs the same adding a 0.5 sec faster tune wont really be a huge learning curve. You have already built a proven performer....

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Ok, the bike is officially mine now. Long story, don’t ask! Ha!
We really like the street bike racing. If we can can sneak him into a local 1/4 mile track they have a killer street bike program. And there is another one about 3 hours south of us with an awesome street bike class. No 2 steps, 6” over arm max, lights ect. The super busas stay out of it mainly because of the arm rule. Just looking to have fun and run a street bike consistently and hard. That’s how I learned, that’s all I know. Idk, do my best to keep him safe and have fun. Only issue I’m dealing with currently is that the arm was built crooked a pinch and it pulls left hard because of it. So, going to muster up the courage to fix it myself. If I’m not happy or confident I’ll take it to a shop. If you can run a high hp stock Xl somewhat consistent then a longer quicker bike isn’t so difficult to get used to. Just my experience, but I agree. When you jump 2 seconds, chit happens fast!

Bruce croneberg, that’s not spelled correctly. He told me once, you have 1.4 seconds to get your feet to the pegs after launching. I thought he was crazy, but he was 100% Correct ha!
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  #1466  
Old 3 Days Ago
Iron Mike Iron Mike is offline
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Put the kid on it. At that early age he will learn all the basics and commit them all to his muscle memory bank. Things like getting feet up on the pegs will be second nature to him very shortly. That will free up his head soon enough in time for him to concentrate on shifting ect. By the time he’s in his late teens early 20’s, he’ll be that far ahead. No jitters, anxiety or doubts. He’ll be at the tree against competition that has far less seat time than him and they will never be able to take back that experience level. As long as he keeps riding and competing, they will never be able to catch up to his experience level, ever. You can’t tune or buy confidence at the start line, you have to grow it. That is worth more when the green flag drops than any widget you can bolt on.

Plus it’s fun to watch your boy kick the crap out of all the competition!
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  #1467  
Old 2 Days Ago
andy2175m4 andy2175m4 is offline
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I live in So. Cal so there is no OFF season, ride 52 weeks a year.
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  #1468  
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Originally Posted by andy2175m4 View Post
I live in So. Cal so there is no OFF season, ride 52 weeks a year.

You race 52 weeks a year? What classes?


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  #1469  
Old 2 Days Ago
jcro61 jcro61 is offline
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Originally Posted by madnss View Post
You race 52 weeks a year? What classes?


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The season never ends. You rebuild your engine during the week duh


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  #1470  
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I live in So. Cal so there is no OFF season, ride 52 weeks a year.
Lucky you
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