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

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  #1  
Old 11th January 2007
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Default cam for thunderbolt s2

Hi All,

My scoot has been transplated with a complete buell thunderbolt s2. Question is would a set of mild cam be an improvement? Currently using stock s2 heads. Any brands/type recommended?

Also using stock 883 ignition module, should i upgrade this first?

Not sure which direction to go next...
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  #2  
Old 11th January 2007
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I THINK the S2 cams are "D" cams, just like in the sporty's of that era.
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  #3  
Old 11th January 2007
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the Thunderbolt is the samething as a Sporty motor I hope your motor was blown when you changed it out if not you just wasted money.
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Old 11th January 2007
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old motor was pretty much blown, would upgrading cams be a good option then?
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Old 11th January 2007
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I would got with a Andrews N4 I think this is about ass big as you can go with a stock motor I have a set of cams out of a 95 S-2 Motor if you are just needing cams I have the hole topend head cylinders pushrods and cams.
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Old 15th January 2007
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would i need to change other stuff like valve springs, pushrods or anything else to install Andrews N4?
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  #7  
Old 15th January 2007
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Next direction to go, for performance? GET RID OF the drag pipes. Changing to a proper ignition module will help too. But get rid of the drag pipes first.

--Chris
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Old 16th January 2007
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Yup, saving up for supertrapp 2-1 as well, just that it cost so much due to shipping cost compared to cams & ignition
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Old 22nd January 2007
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I would spend the money on the pipes before replacing the cams. You'd likely get a bigger bump in street performance.

--Chris
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