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Old 08-20-2018, 07:23 AM   #18
OLDCHEV4X4
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Join Date: Apr 2000
Location: Chester County PA, USA
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Re: WTH: Parts ID Help

Quote:
Originally Posted by special-K View Post
I noticed at the center top (slightly left looking from behind) of the back of the TJZ block is a boss. It's flat on top, round, and about 1.25-1.50" dia. Like what is there for the distributor but smaller and off the area forward of the bellhousing where the casting numbers are. I don't understand why that casting number doesn't show up anywhere.
Could that be where a PCV was located? Like on the earlier motors?
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