Is it Safe to use SuperUnleaded on \'69 280sl

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Is it Safe to use SuperUnleaded on '69 280sl

02-11-2000, 04:39 PM

Arthur Dalton Arthur Dalton is offline

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Join Date: Aug 1999

Location: Florida / N.H.

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The compression specs. are stamped on the head in the casting #.
This is located on the head,drivers side, above and 1 inch back from the # 2 spark plug, at the seating line for the valve cover.
The last 2 digits will be the compression Ratio. 9:5 is the standard ratio.

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