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fischead54 |
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Post subject: Chain vs gear driven cams  Posted: Mon Mar 22, 2010 11:17 pm |
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Joined: Mon Mar 22, 2010 10:44 pm
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I have a '09 ultra classic and want to go to chain driven cams, does this require balancing of the crankshaft?
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lenny82 |
Post subject: Re: Chain vs gear driven cams Posted: Tue Mar 30, 2010 12:28 pm |
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Joined: Fri Aug 15, 2008 9:20 am
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Welcome to the forum! I don't know about that one, update this thread when you find out. That certainly would be interesting to see if it needs to be balanced.
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fischead54 |
Post subject: Re: Chain vs gear driven cams Posted: Mon Apr 05, 2010 2:42 pm |
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Joined: Mon Mar 22, 2010 10:44 pm
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Did you mean gear driven cams, because they come with chain driven cams?
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lenny82 |
Post subject: Re: Chain vs gear driven cams Posted: Wed Apr 07, 2010 9:35 am |
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I think that they come from the factory with chain driven cams. The gear driven cams would be aftermarket.
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roadkinging |
Post subject: Re: Chain vs gear driven cams Posted: Mon Apr 12, 2010 12:01 am |
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Joined: Sun Nov 22, 2009 3:50 am
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ok ok ok now i feel like a ruhtard.... thought that the chain driven cams went out with the 88ci...
the finger at ya as i pass ya
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fischead54 |
Post subject: Re: Chain vs gear driven cams Posted: Mon Apr 12, 2010 11:35 pm |
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Joined: Mon Mar 22, 2010 10:44 pm
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Alright, alright, so I'm dislexic. It's a good thing I'm going with the chain drive cause I wont have to do much. Anyway thanks for your input about gear driven cams :-(
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hayweed |
Post subject: Re: Chain vs gear driven cams Posted: Fri May 14, 2010 4:10 am |
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You do not have to ballance the crank to change cams.
Hayweed
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badinfluence63 |
Post subject: Re: Chain vs gear driven cams Posted: Fri Dec 24, 2010 11:12 pm |
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Joined: Sat Oct 23, 2010 9:51 am
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When I recently upgraded my 2001 Ultra and I was researching which way to go, chain or gear I was advised the main concern for the gear drive was excessive and rapid wear on the crank for my year model so I went with the MOCO recommended chain drive upgrade: https://www.harley-davidson.com/gma/gma_ ... cale=en_US
To expect to be perfect is unreasonable, to strive for perfection is reasonable.
2015 Ultra Classic Low.
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fischead54 |
Post subject: Re: Chain vs gear driven cams Posted: Sat Dec 25, 2010 10:33 pm |
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Joined: Mon Mar 22, 2010 10:44 pm
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I went with a 259E chain drive cam made by Harley-Davidson Screamin' Eagle. The hydraulic chain tensioner set-up on 2009 twin cam is what made me stay with chain drive. My question is: what are the advantages of gear driven cams, and does the crankshaft need to be trued, balanced, and welded, and how do you limit crankshaft endplay?
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