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Rug_Trucker
 Post subject: Intake Valve Tightened?
PostPosted: Thu Dec 11, 2008 11:46 pm 
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Turbo EFI
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Can the lash tighten up on an intake valve by just running it? About 35K since the '69 head was rebuilt.

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Joshie225
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PostPosted: Thu Dec 11, 2008 11:55 pm 
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If the seat sinks faster than the valve train wears the lash will decrease.

Is this the first adjustment in 35k miles? Was the adjustment done under the same conditions as when the head was reinstalled? Was the head gasket ever retorqued? How much did the lash decrease?

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slantzilla
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PostPosted: Fri Dec 12, 2008 3:25 am 
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Lash too tight to start with will cause the seats to sink.

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Rug_Trucker
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PostPosted: Fri Dec 12, 2008 6:57 am 
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Quote:
Lash too tight to start with will cause the seats to sink.
Even on the intake side?

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'72 Duster 198 stock cam, 3:23's Hookers on jack stands for 8 years in the driveway
'79 Maxivan 360 Offy Qjet Comp RV cam/rusting in the driveway.
93 D350 160HP Cummins Auto :-( Dually Clubcab needs a injector pump
2005 Golden Couch Buick
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slantzilla
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PostPosted: Fri Dec 12, 2008 1:46 pm 
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Yep. :shock:

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