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121 + XXX": S&s 124" lc - se 58 - fatcat

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  #11  
Old 02-02-2017, 04:08 PM
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Nice work Chad!

I'm almost ready to come see you, my heads are done and will be sent home soon!


YB
 
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  #12  
Old 02-02-2017, 07:36 PM
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Very good Chad, will be over to see you soon to discuss my next "maintenance". (That's what I tell the wife anyway, "maintenance is expensive on these new bikes")
Bill
 
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  #13  
Old 02-07-2017, 02:32 PM
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Originally Posted by Wide Open Cycles
Here's the
comparison.

Red line is the 124" LC crate with the Dragula I pipe
Blue line is the same crate with the Fatcat
Oddly enough, same 2 pipes except the Softail version on my 107, and the results were reversed.
 
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  #14  
Old 02-07-2017, 02:32 PM
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Duplitious post
 
Last edited by tommyglide; 02-07-2017 at 02:34 PM. Reason: Double post however the hades that happens
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  #15  
Old 02-07-2017, 02:50 PM
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Originally Posted by tommyglide
Oddly enough, same 2 pipes except the Softail version on my 107, and the results were reversed.
Of haven't tuned any Softails with the Drago's pipe yet. I will say the D&D's have worked well for me on Softails though.
 
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  #16  
Old 02-07-2017, 02:59 PM
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Originally Posted by tommyglide
Oddly enough, same 2 pipes except the Softail version on my 107, and the results were reversed.
I looked at the D&D exhaust, for my 124 they actually recommend the D&D Boarzilla, the FatCat is listed for up to 113" motors.

So for your 107 the FatCat maybe right in the sweet spot.
 
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  #17  
Old 02-07-2017, 03:38 PM
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For certain not a thing wrong with what the Dragula did for me, just at that time I was being a bit of a pipe-aholic. What was surprising was how well the Softail headpipe and Kromewerks hp+ slipons did against both 2/1s.
 
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  #18  
Old 02-07-2017, 04:16 PM
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Default Another S&S 124" LC
Originally Posted by Wide Open Cycles
I do a lot of S&S crate engines, here's 1 I just finished up.

S&S 124" LC crate
SE 58mm TB - 5.3 inj.
SE stage I A/C (I milled out to fit the 58mm TB)
Fatcat 2:1 (Perforated baffle)
Barnett +1 clutch, SE heavy spring, AIM 95 lock up

I have the same build on another bike that th owner is putting break in miles on, He's running a Dragula I pipe, I'll post his results when I get it tuned.
Here's some similar work with TTS & Borzilla on post #5237 https://www.hdforums.com/forum/touri...ggers-524.html https://www.hdforums.com/forum/attac...ers-dysart.jpg
 
Last edited by lightweight bob; 02-07-2017 at 04:51 PM. Reason: Add dyno chart
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  #19  
Old 02-07-2017, 04:33 PM
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Much difference in loudness levels between the D&D and the Dragula?
 
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  #20  
Old 02-07-2017, 05:39 PM
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Dragula sounded very good, Fat Cat has a different tone for sure, and louder. Both appealing to my ears.
 
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