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Hydraulic roller lifters? |
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ghinmi
AMC Addicted Joined: Apr/04/2010 Location: Grand Rapids MI Status: Offline Points: 978 |
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Posted: Oct/21/2014 at 8:08pm |
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What are my choices? I asked once before and got no help. I am on my second set of defective Johnson lifters. The first set I exchanged through the seller, I'm going to try to deal with Johnson direct this time. If I can't get something worked out, what are my other choices? I see that Crane lists a set, are they any good and will they work in an un-bushed lifter bore? Any other choices?
Thanks, Greg |
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1975 Cherokee S - Turbo Hemi stick shift autocross/drag race/street 9.97 @ 140.4
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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What is the defect in your lifters?
I'm on my second set of Johnson rollers lifters as well. The only issue I have with them is they flow too much oil to the valvetrain. -Steve- |
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ghinmi
AMC Addicted Joined: Apr/04/2010 Location: Grand Rapids MI Status: Offline Points: 978 |
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I'm having issues with the plunger not having enough travel. I go to zero lash then 1/4 turn and it bottoms out, hanging the valve open. Some of the lifters have basically zero movement and act like a solid, some have a little, some feel normal, and I have one that has close to 1/4" of movement (estimate). Plus a few really pump the oil up the pushrod like you're experiencing.
Are you dealing direct with Johnson or exchanging through a third party? |
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1975 Cherokee S - Turbo Hemi stick shift autocross/drag race/street 9.97 @ 140.4
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ghinmi
AMC Addicted Joined: Apr/04/2010 Location: Grand Rapids MI Status: Offline Points: 978 |
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So it looks like Crane is about the only other option? But I hear of issues with high lift? Can I get away with .574 (.359 lobe) lift on them?
What about solid rollers? I see that Crane and Comp both list them. |
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1975 Cherokee S - Turbo Hemi stick shift autocross/drag race/street 9.97 @ 140.4
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tsanchez
AMC Addicted Joined: Jul/09/2007 Location: Arizona Status: Offline Points: 4302 |
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Use solid lifters, no need to fool around
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jcisworthy
AMC Addicted Joined: Jul/23/2009 Location: North Carolina Status: Offline Points: 2805 |
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Johnson recommends 0.020 - 0.040 on any of their hydraulic lifters.
What method are you using to adjust the valves?
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ghinmi
AMC Addicted Joined: Apr/04/2010 Location: Grand Rapids MI Status: Offline Points: 978 |
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Which solid lifters are a direct drop in with no issues?
I'm intending to go 1/4 turn past zero. But even at that point it's hanging valves open on most lifters. I only checked four lifters on this set but the first set had several with no movement at all, just like a solid. |
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1975 Cherokee S - Turbo Hemi stick shift autocross/drag race/street 9.97 @ 140.4
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crossramrambler
Supporter of TheAMCForum Joined: Dec/13/2008 Location: Reno,Nv Status: Offline Points: 494 |
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I have the Crane lifters and about 1200 miles so far 595 lift with no problems.....Jim
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jcisworthy
AMC Addicted Joined: Jul/23/2009 Location: North Carolina Status: Offline Points: 2805 |
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I would go with solid lifters also but it still doesent make sense because Johnson talks bad about limited travel lifters in their catalog so there should not be such short travel in the product you have seeing they do not seem to offer one.
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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Joe Lewis has referred the problem to someone who has contacted me directly. I send him video of the rocker arms oiling. Haven't heard back from him yet. -Steve- |
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