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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #71  
Old 4 Days Ago
ericfreeman's Avatar
ericfreeman ericfreeman is offline
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My bowel contents wouldn't make my bike run very well at all!
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  #72  
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I'm thinking the higher alcohol contents might help with your pinging.
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  #73  
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trappnman trappnman is offline
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Probably the same way they guess at the air pressure in their tyres and the tension applied to their head bolts. Not to mention guessing at the voltage in their batteries or their spark plug gaps. I guess that's good enough for them.

Thats painting with about as broad a brush as I've seen............
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  #74  
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doodah man doodah man is offline
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Quote:
Originally Posted by ericfreeman View Post
My bowel contents wouldn't make my bike run very well at all!
Lol! You just made me spit my coke out!! That stuff hurts when it comes out yer nose.
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  #75  
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Originally Posted by Ferrous Head View Post
The tear drop air cleaner incorporates the radiused inlet and is all you probably need
it also includes the stinger air director in the center of the air stream.they're a team.
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  #76  
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Quote:
Originally Posted by trappnman View Post
Probably the same way they guess at the air pressure in their tyres and the tension applied to their head bolts. Not to mention guessing at the voltage in their batteries or their spark plug gaps. I guess that's good enough for them.

Thats painting with about as broad a brush as I've seen............
Sorry, that could be taken two ways, I guess.

It's just that it amazes me that people who DO use precision instruments to get things right for so many other parts of the bike but when it comes to "dialing in" the carburetor, one of the most important fundamental parts of the engine, they guess at getting it right.

There are precision tools to calibrate your carburetor.
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  #77  
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trappnman trappnman is offline
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I see where you are coming from-

And one cannot debate that the more precise a tool one uses, within reason it makes things more accurate.

a couple of comments-

HD factory tolerances are such, its said they are broad enough to make everyone happy.

from one end to the other- and everyone with any experience, based on however you wish to base it, does things that are subjectively best for their situation.

there is no definitive point.

And while I can't argue precision with high tech, I also thing decades of tuning the same carbs, gets one to the position of- Close enough for me.
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