[Chevelle-list] Compression Test

[Dennis McGillis]

My (1967) MOTOR's Manual says all 1966 327s should have 160 +/-20 lbs.
It sounds like you don't have a compression issue.  Leaky valve guides will be obvious when you go down a long steep grade, step on the gas at the bottom and get a cloud of white smoke.  (Are there any grades in Canada?  My cousins are all in Saskatchewan.)
Dennis McGillis 
'65 Malibu SS-350

  ----- Original Message ----- 
  From: Johnny Palmer 
  To: The Chevelle Mailing List 
  Sent: Sunday, July 22, 2007 9:22 AM
  Subject: [Chevelle-list] Compression Test


  I did a compression test on my small block 327..all the cylinders turned up to be very close with the lowest being 152 psi and the highest being 155 psi...I can't find a reference anywhere to see if these numbers are within specs or are too low....Can anyone help me out..???..My engine is burning a little bit of oil and I suspect the valve guides are worn but wanted to do a compression test to check the condition of the rings...
  John
  66 Malibu
  327 4 speed
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