Adjustable Aluminum pushrod top ball broke off - Road Glide Forums
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post #1 of 7 (permalink) Old 02-03-2013, 11:47 AM Thread Starter
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Adjustable Aluminum pushrod top ball broke off

The top ball broke off the push rod, It looks like the push rod just pulled apart right at the bottom of where the ball pressed into the tube.

These are top of the line aluminum adjustable, I have about 7000 mile on them, stock motor.

Anyone know what could have caused this to happen

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post #2 of 7 (permalink) Old 02-06-2013, 06:55 AM
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The word is aluminum.
We have witnessed aluminum pushrods fail in T/C's as well as Evo's.
Rev-Tech's to be exact, all were fubared at/near the rocker arm.
If trying to save valvetrain weight, that is not the area in which to do it in.
Install a high quality chome-moly pushrod such as an S&S, and sleep soundly.
Scott
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post #3 of 7 (permalink) Old 02-06-2013, 08:40 PM
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Go perfect fit -


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post #4 of 7 (permalink) Old 02-07-2013, 05:30 AM
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We like to load the lifter .140-.150" to insure quiet valvetrain operation at full operating temps.
An adjustable pushrod will allow that to occur.
Scott
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post #5 of 7 (permalink) Old 02-07-2013, 08:00 PM
prodrag1320
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got a motor in right now with a chewed alluminum REVTECH p/rod
post #6 of 7 (permalink) Old 02-07-2013, 09:07 PM
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I don't think I will be installing any aluminum pushrods anytime soon


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post #7 of 7 (permalink) Old 02-08-2013, 06:49 AM
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Aluminum pushrods in an Iron XL? Yes, they were OEM.
Aluminum pushrods in Pans/Shovels are ok, as long as the spring pressures are kept in check.
Aluminum pushrods in Evo, and T/C application, NO.
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