Re: [Chevelle-list] spark plugs

[John Nasta]

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