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Convert drain plug in older primary?

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Old 11-22-2014, 05:22 AM
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Default Convert drain plug in older primary?
I have an older Dyna, 2002, that has the tapered drain plug. Has anybody drilled/tapped and successfully converted to the now standard 5/8ths head drain plug?
 
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Old 11-22-2014, 12:18 PM
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Sounds like a good idea, let us know how it works out. Have you considered the length of the 5/8 drain plug and if it will hit the starter ring gear?
 
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Old 11-22-2014, 01:59 PM
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What's wrong with the tapered plug?
 
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Old 11-23-2014, 04:20 AM
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Originally Posted by Warp Factor
What's wrong with the tapered plug?
The newer style is a better design.
 
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Old 11-23-2014, 12:16 PM
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Originally Posted by Nomadmax
The newer style is a better design.
How so? One thing pipe threads have going for them is that they will seal without placing a side load on the threads. Very resistant to stripping. Also very resistant to loosening from vibration.
 
Last edited by Warp Factor; 11-23-2014 at 12:19 PM.
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Old 11-23-2014, 03:35 PM
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Originally Posted by Warp Factor
How so? One thing pipe threads have going for them is that they will seal without placing a side load on the threads. Very resistant to stripping. Also very resistant to loosening from vibration.
Right! + if it ain't broke don't fix it!
 
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Old 11-23-2014, 10:56 PM
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I wouldn't try to change it.

My FXRS-sp, which I owned 18 years, never had a problem with that plug, and it went through a LOT of fluid changes.

Best advice regarding the tapered plug is -- don't try to over-torque it. Hand-tight and "just a little more" is all that's needed. Never had it back out like that...
 
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Old 11-24-2014, 04:04 AM
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Thanks all.
 
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