BobHelt at aol.com BobHelt at aol.com
Thu Jun 11 10:08:23 EDT 2015

What you two experts seem to have missed is the corresponding and  
coincident change both in production and the field of the sealing gasket  associated 
with the oil pan change. The old style pan used an (about) 1/8th inch  
thick cork gasket while the new pan used an (about) 1/16th inch thick PAPER  
gasket. This improved the pan's sealing immensely.
Bob Helt
In a message dated 6/10/2015 5:36:51 P.M. US Mountain Standard Time,  
whubbell at verizon.net writes:

Yep,  that's correct, Jerry.  

The early pans have a sort of rectangle  shaped embossing between the bolt 
holes and Lates have sort of a diamond  shaped embossing between the bolt 

Bill Hubbell.  

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