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Author Topic: Problematic lifter (years)?  (Read 4667 times)

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MCE

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Problematic lifter (years)?
« on: August 07, 2018, 12:43:01 PM »

Got a friend with a 2015 DynaWG. 3300 miles (yeah, he rides it allot)

He's describing an intermittent tap-tap-tap noise. I told him that it may
be a lifter acting up. But with that low mileage IDK for sure.

Is 2015 one of those years that are known for crappy(er) lifters? I told
him we could try S&S lifters and adjustable push rods to see if that fixes
it.

TIA to anyone that can offer advice or a better solution.

 
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J.D.

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Re: Problematic lifter (years)?
« Reply #1 on: August 07, 2018, 12:49:11 PM »

Circa 2009-2010 Harley switched from the Delphi USA "B" lifter to the MEX "C" lifter.  The current S&S std lifter is essentially the "B" lifter.

Not impossible to have a bad lifter at this mileage.
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Rooster

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Re: Problematic lifter (years)?
« Reply #2 on: August 08, 2018, 11:20:45 AM »

So are the B lifters good for more than 15-20k or should they be swapped out at that mileage also?
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J.D.

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Re: Problematic lifter (years)?
« Reply #3 on: August 08, 2018, 11:37:03 AM »

Pretty much any lifter in the big TC engines need regular replacement.  B lifters are generally more robust than C version.  I particularly liked the (also now superseded) SE version of the B lifter (#18572-07) if you can find them.
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grc

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Re: Problematic lifter (years)?
« Reply #4 on: August 08, 2018, 11:58:39 AM »

So are the B lifters good for more than 15-20k or should they be swapped out at that mileage also?

Two different issues involved.  The change from the B to the C lifters involved cheaper internal parts that created a leak down and slow to pump up issue not common on the B lifters.  Part of the "cost reduction even though it reduces quality" program at Harley.  The problem of the roller bearing failing on 110 engines is more about the cams and valves/springs than about the lifter rollers.  Even the SE version with the heavier duty roller bearings eventually fail in the 110's.

Jerry
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MCE

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Re: Problematic lifter (years)?
« Reply #5 on: August 08, 2018, 12:46:47 PM »

It's definitely the front EX lifter. A set of S&S is going in. (Cheap harley crap going in the waste can)
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HD Street Performance

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Re: Problematic lifter (years)?
« Reply #6 on: August 16, 2018, 10:10:39 PM »

They are delphi's, not bad, hylift with axle oiling are better and yet to be proven bushing hydraulic rollers are touted as being better yet.
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MCE

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bushing lifters
« Reply #7 on: August 18, 2018, 10:38:13 PM »

+1

As far as the bushing lifters go; they may not be totally proven from a mileage/longevity
standpoint.

A solid bushing would be far more tolerant of shock loads (valve float). Shock loads destroys
rollers faster than normal wear.

It could be a friction vs. durability thing tradeoff.

may have to try them.
« Last Edit: August 18, 2018, 11:06:26 PM by MCE Performance »
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HD Street Performance

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Re: Problematic lifter (years)?
« Reply #8 on: August 19, 2018, 12:54:09 PM »

With lash I think the bushing rollers work better actually. Get ready for the cost, they are proud of them, $410 list
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Twolanerider

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Re: Problematic lifter (years)?
« Reply #9 on: August 19, 2018, 03:32:53 PM »

Read these threads as they occasionally come up and too often almost casually discuss "hey, how many miles before you change lifters?".  Can you imagine the howl if any other large automobile manufacturer produced an engine in which a significant internal engine component ought to be replaced at something close to annual mileage for regular automobile driving. 

Friend of mine's bike was in my garage just a few weeks with a front lifter failing.  Just starting to skate and just starting to make a little noise.  Fortunately caught it very early.  But could have started coming apart literally any distance ahead.  Had less than 20,000 miles (I think that's right) since had been replaced prophylactically a couple years ago.  Using good parts too.  This time went with the Johnson 2313SE parts and keeping fingers crossed.

How far can a manufacturer hide its head in the sand when it can be said "hey, my Vega timing belt can SAFELY go three times as long as I trust my modern Harley's lifters."

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Ghost Rider

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Re: Problematic lifter (years)?
« Reply #10 on: August 22, 2018, 01:47:08 PM »

Friend of mine's bike was in my garage just a few weeks with a front lifter failing.  Just starting to skate and just starting to make a little noise.  Fortunately caught it very early.  But could have started coming apart literally any distance ahead.  Had less than 20,000 miles (I think that's right) since had been replaced prophylactically a couple years ago.  Using good parts too.  This time went with the Johnson 2313SE parts and keeping fingers crossed.

How far can a manufacturer hide its head in the sand when it can be said "hey, my Vega timing belt can SAFELY go three times as long as I trust my modern Harley's lifters."

The aforementioned lifter...
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Twolanerider

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Re: Problematic lifter (years)?
« Reply #11 on: August 22, 2018, 11:28:34 PM »

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Aussie

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Re: Problematic lifter (years)?
« Reply #12 on: August 23, 2018, 03:40:05 AM »

The aforementioned lifter...

OMG that is jaw dropping.
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Ghost Rider

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Re: Problematic lifter (years)?
« Reply #13 on: August 23, 2018, 01:31:56 PM »

OMG that is jaw dropping.

If you think the picture is bad, you should have heard the noise it was making.
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Twolanerider

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Re: Problematic lifter (years)?
« Reply #14 on: August 23, 2018, 02:40:57 PM »

If you think the picture is bad, you should have heard the noise it was making.


Noise schmoise.  Just be glad we caught it when it had only skated just a little and before any real shrapnel happened.  Then it would have ugly.
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