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[Steve Cole]

Along with what oil, what oil pressure at warm idle speed and what type of oil cooler. Not saying the lifter was not bad but I've seen the same thing happen to lifters and it was due to poor oiling. HD engines have low enough oil pressure at idle to start with and it doesn't take much to send them over the edge on a performance build. I like to raise the pressure when doing any performance type build.

[strokerjlk]

Now comes the $64,000.00 question?
What oil, Jim?
Scott

brad penn for the first 10,000. miles
then mobil 1 syn for 3000,
then valvoline for maybe 500 miles.
Then Rev/tech for the last couple thousand.

[HILLSIDECYCLE.COM]

Only one that would make me raise my eyebrow, would be the CCI stuff, but that's just me.
Almost looks like a lube issue, in that raw friction environment, in spite of the roller, being a roller, as the only thing between the lobe and lifter wheel, is oil. Very odd.
Scott

[HD Street Performance]

Brinelling

[strokerjlk]

There was another 120r lifter issue.
500 miles on a untouched crate motor,started showing the same wear as mine had at 15,000.
so I guess that rules out a few theorys 

[HILLSIDECYCLE.COM]

What could be causing that?
Hardening process from the Moco?
Scott

[strokerjlk]

What could be causing that?
Hardening process from the Moco?
Scott

whoever makes Jims lifters for them? same lifter from what I can tell?
this is out of wurk truk's new 120r 500 miles.

[HILLSIDECYCLE.COM]

Cam(s) look the same?

[strokerjlk]

I don't think the cams are hurt.he is only talking about swapping
 lifters,springs and pushrods
as bad a my cams looked .......a little orange scotch brite,and they look brand new.
I think with the cams being harder than the lifter rollers,the cams win out.LOL

[Twisty Joe]

Keep this thread alive guys, I am thinking of waking up my 2010 FLHXSE next winter and am trying to decide if I want to rebuild the 110 or bite the bullet and upgrade to the 120R. 

 

[sadunbar]

Doing my annual cam chest inspection on my 120r today, along with a few other winter modification projects.  The 120r has about 10K on it.  Top end is stock.  Cams are T Man 662-1.  Pushrods are SE tapered.  I make it a habit on all my twin cam motors to replace the lifters at 10K, no matter what....

That being said, these are the lifters I pulled today...  They look good.  Needle bearings feel good.  Cams look like new...  Slight wear signs on the outside diameter of the lifters on the lower land, but it is not measurable wear.  All in all, I'm very pleased with the condition of everything...

[sadunbar]

Front Cylinder

[sadunbar]

Rear Cylinder

[sadunbar]

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[sadunbar]

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