DeTomaso Mailing List: March 2001, Message #69

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     The open chamber 4v heads for my 72 Pantera are at the
 machine shop in need of new valve spring retainers because
 I have changed from stock valves with multi goove keepers to
 Manley Stainless Steel Severe Duty valves with single groove
 keepers.  The machinist says there would be no tension on the
 springs if installed as is.  I asked the machinist if he could get 
 me the proper retainers to make this set up work.  He said his
 supplier didn't have such a retainer and that I would need to
 locate the proper retainers or shorter valves.  I am wondering
 if all he has to do is use additional shims or is there a proper
 retainer and lock to make this all work.  I am planning to use 
 my original springs.  I called Manley and asked the for the
 correct retainers, they said they needed to know all of the 
 inside diameters of the spring and damper?  The machinist said
 he could get that info on his computer, but his computer was
 down.  If someone can tell me how to make this darn thing work,
 it would be appreciated.
 Thanks,
         Art


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