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38 coupe · 01-01-2021, 06:29 PM

One thing to clarify to what Ron said, the 38 24 stud blocks have the smaller diameter mains and short snout crank like the late 21 stud motors. The 39 engines got the larger mains.

01-01-2021, 06:29 PM	#35
38 coupe Senior Member Join Date: May 2010 Location: South Texas Posts: 1,631	Re: 21 Stud 37mod One thing to clarify to what Ron said, the 38 24 stud blocks have the smaller diameter mains and short snout crank like the late 21 stud motors. The 39 engines got the larger mains.