Thread: letter from GM about valve seats
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Old 09-06-2007, 12:01 AM
ChevyHighPerformance ChevyHighPerformance is offline
Hummer Professional
  
Join Date: Jul 2005
Posts: 278
ChevyHighPerformance is off the scale
Default letter from GM about valve seats
Link to coloradofans website that has this letter

http://coloradofans.com/forum/viewtopic.php?t=49843&sid=0fd75eb189503f3f23a9aea6 a8176bae
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