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Sportster Motorcycle - Bottom End Cams, Cases, Gears, Flywheel, Piston Conecting Rods, Oil Pump, etc...

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  #11  
Old 7th February 2013
NRHS Sales NRHS Sales is offline
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It's not how much hp you make that causes the wheels to spread. it is how many rpms you are turning. At 130 mph you probabaly were not even turning 6,000 rpms and you could have done it with 70 hp. With 140 hp you should be going at least 165 mph so I am expecting you to really step it up this year.

Last edited by NRHS Sales; 7th February 2013 at 22:24..
  #12  
Old 8th February 2013
bitpusher bitpusher is offline
outside the box racing
 
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Sportster/Buell Model: Turbo 1350 XLSR
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Sportster/Buell Year #2: 2000
Other Motorcycle Model: 883->1330 dragster
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Quote:
Originally Posted by A 4 liter V8 eater View Post
I just put a dowel through the wrist pin bushing on of the connecting rods. As you turn the nut on the crank the dowel eventually hits the case deck and stops the crank from moving. wa-la
i could be wrong but seems you are still at risk of twisting with this method.

??


Quote:
Originally Posted by NRHS Sales View Post
It's not how much hp you make that causes the wheels to spread. it is how many rpms you are turning. At 130 mph you probabaly were not even turning 6,000 rpms and you could have done it with 70 hp. With 140 hp you should be going at least 165 mph so I am expecting you to really step it up this year.
lol. i WAS running 7k 160+ in bonneville. on pump gas. on the deserted access road the week between BUB and WOS. BUB was a ID-10T error: sticky BOV and not knowing enough to recognize it, WOS was also an ID-10T error: going from 160+ on pump gas to 110k and trying to tune to it on the fly, on the runs.

not going to make THOSE mistakes again. Can't wait to see what I screw up this year.



Crank was twisted. .002 pinion side, .018 primary. i think i showed pics somewhere of the stator that had been ground down and shorted out by the tilted rotor.


a suitcase of coors light greased the rails right onto Crank Works bench to check my cranks.

luckily the stock ebay crank is within .003 both sides. but i am pretty sure i don't want to put another crank in cases that have seen that kind of abuse.

i really think that i am the luckiest guy on earth. something tells me that is catastrophic failure territory.

glad i have another engine.
  #13  
Old 8th February 2013
bitpusher bitpusher is offline
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Sportster/Buell Model: Turbo 1350 XLSR
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video

http://www.facebook.com/photo.php?v=4701077079396
  #14  
Old 8th February 2013
NRHS Sales NRHS Sales is offline
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You planning on making Bubs again this year?
  #15  
Old 8th February 2013
bitpusher bitpusher is offline
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BUB and WOS with a week in wonderful Wendover in between.
  #16  
Old 8th February 2013
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We should see you there then and hopefully we both bring our A game so we can have a bit of fun.
  #17  
Old 13th February 2013
bitpusher bitpusher is offline
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p.s. this is the correct tool to pull a pinion gear. using jam bars is an express ticket to a fubar pinion gear. don't ask me how i know.

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  #18  
Old 13th February 2013
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Ireeman Ireeman is offline
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Keep it going mister.
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Old 13th February 2013
bitpusher bitpusher is offline
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Quote:
Originally Posted by Ireeman View Post
Keep it going mister.
soon as i get some new bearings i will go the other direction with pics.
  #20  
Old 13th February 2013
Dakin Engineering Dakin Engineering is offline
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Um, how does it go back together?
Seems it'd have to be braced and shimmed to keep from tweaking.
Never done it myself...
Sam
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