Without knowing which heads they are, my best hunch would be an AC R44TS or
it's equivalent. You can look up matching part #s at www.acdelco.com. Let me
know what you find as far as casting numbers and I will look up what I can.
Brian
From: John Nasta <[EMAIL PROTECTED]>
Reply-To: The Chevelle Mailing List <Chevelle-list@chevelles.net>
To: Chevelle-list@chevelles.net
Subject: Re: [Chevelle-list] spark plugs
Date: Thu, 27 Jul 2006 12:22:02 -0400
Thanks, I'll take a look a little later when the temp has cooled off some.
For now I put the old plugs back and it runs much better with the old
ones.
Quoting Brian Knight <[EMAIL PROTECTED]>:
Directly under the valve covers between two cylinders. Should be a 6 or
7 digit number. The smaller number will be the date code.
Brian
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