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Lifters with bars, not trays?

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Old Nov 26, 2008 | 07:13 PM
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Default Lifters with bars, not trays?

Hey all looking for some new lifters cause I think I have a collapsed one. In looking around Ive seen some that have connecting bars instead of trays, is this a good thing? would it be upgrading to go to this type of lifter?
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Old Nov 26, 2008 | 07:47 PM
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Pretty sure those are not for an LS motor. I think those are so you can convert an older, non roller block, to roller. Not needed for our motors.
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Old Nov 26, 2008 | 07:49 PM
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Ah I see, thanks.
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Old Nov 26, 2008 | 09:56 PM
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Yeah, the bar is just to keep them from turning when using roller lifters in a block that was setup to use flat tappets. Without the bar, the roller lifter would twist around and the roller would be damaged, if not the cam lobe also.
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Old Nov 26, 2008 | 10:20 PM
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Originally Posted by ZMONSTER!
Ah I see, thanks.
LS7 lifters are good
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Old Nov 26, 2008 | 10:36 PM
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So what keeps the lifters from spinning in their trays?
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Old Nov 26, 2008 | 10:55 PM
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Originally Posted by ZMONSTER!
So what keeps the lifters from spinning in their trays?
The trays themselves.

Notice the flat part of the tray in this picture. It lines up with the flat portion on top of the lifter.



Note the flat part at the top of the lifter.

Sorry about the size. Just easier to see this way.

Last edited by Dan Stewart; Nov 26, 2008 at 11:02 PM.
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Old Nov 26, 2008 | 10:57 PM
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Originally Posted by Dan Stewart
The trays themselves.
So i take it they are contoured in such a way as to lock the lifter in place. I just helped a buddy tear down his LS1 and the lifters spun freely in their tray, so Im guessing the trays were bad.
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Old Nov 26, 2008 | 10:58 PM
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Yep.

Sorry, I went back and edited my post to show a pic of the tray. Huge lifter pic added.

Take notice of how the flat in the lifter corresponds with the flat portion of the tray.

Kind of like a keyway.

Last edited by Dan Stewart; Nov 26, 2008 at 11:03 PM.
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Old Nov 27, 2008 | 02:04 AM
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You'd better hope your friends lifters could NOT be "spun" as you describe it. If they could the damage that was done would more than likely prepare than engine for the trash pile. You're mistaken when you say the "lifter spun". If the "lifters spun" you'd have a lot more than just some bad trays to deal with. Do you know what a "flat" is and I don't mean an apartment in England? The lifter has a flat and the tray has a corresponding flat. This is what keeps the lifter roller in alignment with the cam lobe on the LS series. Next time you help a buddy tear down an LS you might want to do some closer inspection of the lifter/tray relationship or have your buddy explain it to you.
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Old Nov 27, 2008 | 02:38 AM
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We sell a lot of Morel with the link bar to LS1 owners
Its a superior lifter and the link bar is better than the lifter cups. The lifter cups have failed on people, most of the time its when people do not change them when swaping engines and re-use the old ones. Its a plastic tray. Doesnt happen very often but it does happen.
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Old Nov 27, 2008 | 02:44 AM
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Do you need to machine the block for the Morels or is it a direct swap?
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Old Nov 27, 2008 | 06:59 AM
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Direct swap. Morels are excellent lifters, but they command a high price due to the better materials and superior tolerances that are held on the internal components. They are also designed to ride lower in the lifter bore as a result of aftermarket cams having a smaller base circle. Crane billets are also excellent lifters, but to my knowledge are not available in a link bar design.
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Old Nov 27, 2008 | 08:54 AM
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I had a lifter turn. I think it was because it came down too far in the tray due to the high lift cam. Ended up tearing up the cam and shortly after spun a bearing. I ended up going to the crane lifter that is a little longer than the stock lifter and most other lifters (expensive). I think the morels are slightly longer as well.

With all the talk about heavy valvetrain and valve float, is the weight significant enough to cause valve float in some applications?
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Old Nov 27, 2008 | 09:05 AM
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Well, I am all ears on this one, as I thought you had to run the trays as well. I am new to the LS game, and have a motor at my machine shop right now, and we are going solid roller. Now, I know that a roller motor has to have something to prevent the lifter from turning, and I know on all my small block Fords I ran, when I converted from hyrdaulic roller to solid roller, we changed the type of device that held the roller from turning. On the Ford, when it was hydraulic there is a bar that is held down by the infamous "spider" tray, and when you convert over to solid roller you do away with the bar and "spider" tray and run a link bar on the solid roller lifter.

So, you are saying essentially the same can be done to the LSx? Inquring minds want to know.
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Old Nov 27, 2008 | 11:03 AM
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Originally Posted by Bill00Formula
I had a lifter turn. I think it was because it came down too far in the tray due to the high lift cam. Ended up tearing up the cam and shortly after spun a bearing. I ended up going to the crane lifter that is a little longer than the stock lifter and most other lifters (expensive). I think the morels are slightly longer as well.

With all the talk about heavy valvetrain and valve float, is the weight significant enough to cause valve float in some applications?
The mass on the lifter side of the valve train is much less important. The Morels are longer and use a shorter pushrod due to their increased length and lower preload requirements (0.030"-0.050").
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Old Nov 27, 2008 | 11:55 AM
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Originally Posted by Dan Stewart
Do you need to machine the block for the Morels or is it a direct swap?
no machining needed, as vettenuts stated they are a drop in. IIRC Morel makes the hi end Crane.
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Old Nov 27, 2008 | 12:04 PM
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These are the link bar ls1 lifters from morel
Attached Thumbnails Lifters with bars, not trays?-getattachment.jpg  
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Old Nov 27, 2008 | 12:22 PM
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I hear people modifying the trays for bettering oiling.

With the link bars you don't have to worry about that.
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Old Nov 27, 2008 | 01:41 PM
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Originally Posted by CamaroRick
These are the link bar ls1 lifters from morel
And note in the photo where they are made
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