
12-12-2006, 10:23 AM
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Registered User
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Join Date: Apr 2006
Cobra Make, Engine:
Posts: 4
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Not Ranked
chevy 350 thread
Afternoon Gents
Just writing too ask if you can advise on a thread size on a 1991 350 Chevy block.
In the oil filter area their is a 1/4" NPT thread for the oil pressure switch & gauge & just too the right their
is a coarse thread which I need too plug, can you advise what size is it.
Plus their is another similar thread on the same side, middle top edge of block & it plugs the water jacket, what size is this, probably the same.
Any help would be great
Best Regards
John
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