Lifter Clatter....

Matthew Kramer stpndsmn at yahoo.com
Sat Jul 8 23:55:12 EDT 2006


Hi,  I am kind of a lurker on Audifans at this point.  I spend most of my time over at Motorgeek.com.  Anyway, I've been having a problem with lifters on my 4ktq.  I used a KH block and an NF head for my rebuild and so far the lifters in #5 won't seem to pump up.  
   
  It's quiet until about 2500 then they start this extremely loud lifter clatter like something is coming apart.  I took out the valve springs a week ago and found basically nothing.  I was hoping for a broken spring.   
   
  The only thing I have come up with so far is some sort of oiling incompatability between old blocks and new heads.  I am guessing you used some form of NF/NG head.  If so I hope you had the coolant passage welded.  
   
  Anyway,  I was just interested to hear what you find out and if your problem goes away.   I've heard that non-detergent 30w dino oil is the best for break in because you need some friction for proper break-in.....
   
  Good luck
  Matt

 		
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