[Chevelle-list] Vacum

[Jim & Chris]

oil pressure is fine, the tapping noise is comming from what seems to be driver side maybe #7. I'm going to drop the oil and look for particles. thanks, Jimmy C.
  ----- Original Message ----- 
  From: bad66chevelle454 at aol.com 
  To: chevelle-list at chevelles.net 
  Sent: Tuesday, August 14, 2007 3:18 PM
  Subject: Re: [Chevelle-list] Vacum


  How is your oil pressure? 

  I had a knock in my 454...Oil pressure was fine, so I knew it wasnt a rod knock. LONG story short, it flattened out the cam...which is notorious in BBC's from what I hear. I would check your valve lash...if one is really lose, there's your problem. It would most likely be the number 7 or 8 cylinder. 


  -----Original Message-----
  From: Jim & Chris <colgan at warwick.net>
  To: The Chevelle Mailing List <chevelle-list at chevelles.net>
  Sent: Tue, 14 Aug 2007 11:59 am
  Subject: [Chevelle-list] Vacum


  I am  finally getting back to my Chevelle , rookie question but here goes. which is the best port to measure the vacuum and what should the vacuum be ? I have a knock and its not running on all cylinders . The motor is a 454ci , with a stock rebuild with a mild cam. 915 miles after rebuild..with a few hard ones squeezed in. Thanks for any help, Jimmy C.

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