##7 apply ring 3-4 clutch pack/installing z-pak
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I am getting my parts together to build my 94 4l60e,I am wondering do I need the shorter #7 apply ring to install a z-pak?or does my tranny already have the #7 apply ring?
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If it's out of a Z car it should have it. Especially if it has the "golden rooster".
It'll have a "7" on one of the legs where it meets the base.
It'll have a "7" on one of the legs where it meets the base.
Last edited by PedaltoMetal; 05-21-2009 at 10:52 PM.
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stock is .075-.078 right?I read z pak comes with .062,maybye one or the other will get the clearence in range.
Last edited by clwz28; 05-22-2009 at 10:39 PM.
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No but we do use either the TG stiffer springs or the factory square helper springs depending on the clutch set up to offset that issue. But as I said we have not really noted any issues with that. The few 3-4 clutch failures we have see were generally traced to some other underlying cause.
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Your running that tight of clearance dry I take it? Just wondering since they recomend clearance set at .040-.050 I think. Do you run most of your clutch sets tight except for reverse? Thanks!
The first zpak I recieved had several retaining rings, the most recent one I recieved only had one and made it impossible to get the clearance I needed. All late model 60s come with the #7 apply ring.
I use the Red alto with kolene steels. The 9 friction set up. Clearance is recomended .020-.035 and no problems to date.
As far as 3-4 burnup, the HD2 kit comes with a few updates to fix it.
The first zpak I recieved had several retaining rings, the most recent one I recieved only had one and made it impossible to get the clearance I needed. All late model 60s come with the #7 apply ring.
I use the Red alto with kolene steels. The 9 friction set up. Clearance is recomended .020-.035 and no problems to date.
As far as 3-4 burnup, the HD2 kit comes with a few updates to fix it.
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The 3-4 set is run with the tightest clearance in our unit and yes that it a dry setup on a build. After running on the dyno its actually opens up some. In fact simply applying it during the air check several times will generally open it up .05 or more . I have noted that .020 becomes .030 aprox after the dyno runs.
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