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Anyone running a velocity stack w/EFI Sportster?

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  #11  
Old 08-26-2012, 03:10 AM
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you guys arent scared running stacks with no filter?
 
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Old 08-28-2012, 04:39 PM
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Originally Posted by hogdiver96
off topic...any chance you can do a thread about your bar end mirrors? I have RSD clip-ons and Grips but cant see anyway of putting bar end mirrors on these..cheers
The bar end mirrors are Oberon 7/8" bar end mirrors. I bored a 11/16" hole (same I.D. as a 7/8" steel handlebar) in the end of the clip-on bar. The stock grips are rubber so I just used an exacto knife around a socket large enough for the mirror to fit through. Your RSD grips probably have a metal end.
 
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Old 09-05-2012, 12:02 AM
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Originally Posted by John Harper
Very well done, classy and understated, nice blue. Stack looks good, how's it for performance?

John

Got the Outerwears & Dobeck EJK installed over the weekend & did a little tuning to it. *It runs great & I am getting slightly better mileage out if it. *It seems to rev quicker & has much better throttle response but that may be the EJK. I like hearing that open throttle body when at full throttle. *







 
  #14  
Old 09-05-2012, 12:49 AM
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Someone do a dyno run with the velocity stack and then with a a/c and let us know the real difference.
 
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Old 09-05-2012, 07:52 PM
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I can't even find that stack on their website????????? can you put a link up for it????
 
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Old 09-05-2012, 08:04 PM
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Here's my newly installed Velociraptor. Looks like a velocity stack, but has a K&N filter inside.


 
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Old 09-06-2012, 09:48 AM
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Originally Posted by AWelshHooligan
I can't even find that stack on their website????????? can you put a link up for it????

https://www.designsbynovello.com/Det...ID=70&category=
 
  #18  
Old 09-06-2012, 10:22 AM
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Originally Posted by XKnight
Here's my newly installed Velociraptor. Looks like a velocity stack, but has a K&N filter inside.


That is one sweet 72-love it! Yeah a filter is alway a good idea.
 
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Old 09-06-2012, 10:24 AM
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Originally Posted by XKnight
Here's my newly installed Velociraptor. Looks like a velocity stack, but has a K&N filter inside.

I saw the velociraptor but didn't think it really looked like a velocity stack, too short & wide. I did think it was cool they put a K&N filter in it but the size of the filter I think would choke down the air flow, probably less filter sq/in than a stock filter. Plus it doesn't function as a velocity stack since the mounting flange is in the flow of the stack so there is not a smooth flow from velocity stack to throttle body throat.
 
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Old 09-06-2012, 01:14 PM
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Originally Posted by grancuda
I saw the velociraptor but didn't think it really looked like a velocity stack, too short & wide. I did think it was cool they put a K&N filter in it but the size of the filter I think would choke down the air flow, probably less filter sq/in than a stock filter. Plus it doesn't function as a velocity stack since the mounting flange is in the flow of the stack so there is not a smooth flow from velocity stack to throttle body throat.
I bought it because I liked the way it looks and the price was right at under $150. I haven't noticed any difference in performance after installing it. I should have my Dynojet Power Vision this weekend and hope to get the bike tuned and running even better, but it actually seems to be running very well as is. No stuttering, backfiring, unusual decel popping, etc.
 


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