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IawoBill IawoBill is offline
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Join Date: Nov 2006
Posts: 9
Intake and Exhaust Valves

Would one of you know what the difference is between the turbo cars intake and exhaust valves and those of the NA cars? When I read the section in Wayne's book, the '78-'89 911 and the '75-'89 turbo valves show the same dimensions. How does one tell except for the part number? I have read where the exhaust valves for both NA and turbo are sodium filled. There is a cost difference.
Old 08-10-2008, 06:59 AM
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