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Old Oct 25, 2014 | 11:30 AM
  #11  
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Originally Posted by D_gyver
if your trying for a shovel head potato sound it will never happen in a twinkie.
as far as a lope sound from a cam imo wood cams have the best sound and performance
Agreed...that's because Harley V-twins up to the Evo used a twin-fire ignition system with a 'waste spark' that created the distinctive sound at idle...you might be able to load that poor Twinky up at idle with an extremely rich mixture to somewhat replicate it, and that's probably what those extreme cams do, but to get the true 'potato' sound...I agree, the Twinky with it's inherent 'single fire' ignition ain't gonna get it done...


Then, there's the issue of what's more important...image...or function? If ya wanna pose, absolutely go for that...if you wanna use your bike for what it's intended for, get a cam that gives you good torque in the low end...after all, that's where touring bikes live...
 
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Old Oct 25, 2014 | 11:36 AM
  #12  
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Just find the most overlap ya can. Over 40 degrees will get ya in the range. Anderws 60, woods 777. S&S 570 are good starting points. Of course without compression, headwork and all the goodies, a big cam will run like crap. The idle oil pressure thing is hogwash. Twincams have much better oiling than shovels. They upped the idle to smooth out the lighter flywheels for the geezers/uppies.
 

Last edited by 0ldhippie; Oct 25, 2014 at 11:53 AM.
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Old Oct 25, 2014 | 11:42 AM
  #13  
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Andrews 37 or 57 come close but require a bit of a compression bump to get the most out of them.
 
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Old Oct 25, 2014 | 12:25 PM
  #14  
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I like the sound of my TW777's running up to 6K rpm,s pumping out 117HP through a Fat Cat.
And they have a good sound at idle.
 
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Old Oct 25, 2014 | 01:19 PM
  #15  
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I am sorry but i cant see why people use money on trying to get a "cool" idle sound.... :P

who the **** cares about idle sound.. rather sound like ****ing thunder at full throtle!
 
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Old Oct 25, 2014 | 01:26 PM
  #16  
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https://www.youtube.com/watch?v=XjbbCYruG18#t=14

Not the sound your looking for but it sure draws a lot of attention.
 

Last edited by dirtdobber; Oct 25, 2014 at 01:30 PM.
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Old Oct 25, 2014 | 03:04 PM
  #17  
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I went with 204.s sounds great
 
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Old Oct 25, 2014 | 04:47 PM
  #18  
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No matter what you do, you are not gonna get that old tater tater tater sound out of a bike with fuel injection, just aint gonna happen dude. By the looks of your sig, you have a new fuel injected bike. Good luck with your search, lemme know if you find that tater, tater, tater sound BC I want that for my new bike.
 
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Old Oct 25, 2014 | 04:52 PM
  #19  
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Originally Posted by my67pnycar
No matter what you do, you are not gonna get that old tater tater tater sound out of a bike with fuel injection, just aint gonna happen dude. By the looks of your sig, you have a new fuel injected bike. Good luck with your search, lemme know if you find that tater, tater, tater sound BC I want that for my new bike.
I'm not sure what fuel injection has to do with it other than the ECM setting a high idle
 
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Old Oct 25, 2014 | 05:34 PM
  #20  
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Some of the new tuners enable lowering your idle rpm. The shovels idled around 700 rpm, the twin cams at 1000. My understanding is that the TC flywheels are lighter and don't have the inertia of shovel flywheels, and the moco set the idle speed up to compensate. Realistically, how much time do you spend at 4500 rpm or better? Get a grunt cam that comes on low and pulls where you need it.
 
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