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Old 05-09-2002, 07:27 PM   #1
bigvinnie
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Post head info...?

Went to the mortec site and looked up heads with a 993 casting, says they're 75cc... can anyone tell me the valve sizes...??? Thanks.

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Old 05-09-2002, 08:00 PM   #2
69 longhorn
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Im pretty sure that they are 1.94/1.50 valves.......that was most common.
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Old 05-09-2002, 08:28 PM   #3
70shortnphat
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Possibly even 1.72 / 1.5 valves.
See http://www.thedirtforum.com/castings.htm

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Old 05-09-2002, 09:44 PM   #4
Fast68Chevy
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depend osn the CI of the engine they were installed on


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