Installing adjustable pushrods (augh) qsts/help?
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Road Warrior
Joined: Mar 2009
Posts: 1,317
Likes: 14
From: Idaho
Installing adjustable pushrods (augh) qsts/help?
Well as you can see from my other post my new lifters came in today. I am soaking them in oil over night & plan to install tomorrow.
My question is, I extend the lower of the push rod till it seats with the lifter. This is zero lash, should the push rod spin freely?
Once I make the adjustment 2.5 turns (24TPI SE tapered quick install twin cam pushrods, complete kit #18404-08) at this time I will NOT be able to spin the pushrod till it bleeds down.
this remains the same even though the lifters are new & have never been pumped up???
Correct?
My question is, I extend the lower of the push rod till it seats with the lifter. This is zero lash, should the push rod spin freely?
Once I make the adjustment 2.5 turns (24TPI SE tapered quick install twin cam pushrods, complete kit #18404-08) at this time I will NOT be able to spin the pushrod till it bleeds down.
this remains the same even though the lifters are new & have never been pumped up???
Correct?
Advanced
Joined: Jul 2010
Posts: 74
Likes: 0
From: Syracuse, NY
I put a set of those lifters in my engine. Did the exact same thing soaking them in oil overnight. Found that it did pretty much nothing for filling the lifter with oil. You will find that the lifters will bleed down almost as fast as you adjust the pushrods, atleast that's what they did for me. So far no problems with them, Nice and quiet with a headquarters 33 cam.
I've done this with car lifters, put them in a coffee can filled with oil and push the inner part down and relieve pressure slowly to suck in the oil. they won't fill if you just leave them. not sure how your going to push them in and out with a wheel on the bottom tho
Thread Starter
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Road Warrior
Joined: Mar 2009
Posts: 1,317
Likes: 14
From: Idaho
I put a set of those lifters in my engine. Did the exact same thing soaking them in oil overnight. Found that it did pretty much nothing for filling the lifter with oil. You will find that the lifters will bleed down almost as fast as you adjust the pushrods, atleast that's what they did for me. So far no problems with them, Nice and quiet with a headquarters 33 cam.
Club Member
Joined: May 2006
Posts: 14,564
Likes: 9,225
From: the 50s & the 60s
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I always charge the lifters with vacuum.
first image is lifter dry..........
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next image is lifter charged...........
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I attach a clear hose to my vacuum chamber.
a shop vac will also do the job...............
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I always charge the lifters with vacuum.
first image is lifter dry..........
.
.
.
.
next image is lifter charged...........
.
.
.
.
I attach a clear hose to my vacuum chamber.
a shop vac will also do the job...............
.
.
.
.
.
Seasoned HDF Member
Joined: Nov 2010
Posts: 17,548
Likes: 7,197
From: Oxford, Nc
I do the 'vacuum' thing too. But don't be disappointed if you have to re-adjust after running it anyways.
Trending Topics
Mud, That's one serious tool you designed there, sure beats putting them in a coffee can and pushing inners up and down with an old pushrod till the air bubbles stop!!
I'm gonna try that Vacuum cleaner trick next time.
I'm gonna try that Vacuum cleaner trick next time.
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HDF Community Team
Joined: Jun 2006
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From: san antonio
Originally Posted by TO34
My question is, I extend the lower of the push rod till it seats with the lifter. This is zero lash, should the push rod spin freely?
Originally Posted by TO34
Once I make the adjustment 2.5 turns (24TPI SE tapered quick install twin cam pushrods, complete kit #18404-08) at this time I will NOT be able to spin the pushrod till it bleeds down.
Originally Posted by TO34
this remains the same even though the lifters are new & have never been pumped up???
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