Jeep 4.0 in 69 Barracuda

volaredon said

where does Chevy fit in that line? They don't. They made some trannys to fit the 258, as well as some ignition components and some used GM starters and alternators but nothing "Chevy" about that engine. I think IH cast some blocks for AMC for a couple years (I know they did some 318s for Mopar around 1977ish, I had a couple over the years)

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1984 thru 1986 when Cherokee came factory with the Chevy 2.8L was dubbed the Chevy era. As you also noted, up till 87 when Chrysler took them over, there were many individual parts including the Throttle Body fuel management used in the Wrangler 4 cyl. Replaced with the Chrysler 4cyl and fuel management which was the same as the 4.0L minus 2 cyl.

The shop doing my ECU and harness maybe using my spare 4 cyl harness (Chrysler era 1995) to build my new harness for my car. Depending on determined condition.

There really isnt much to add here. The main point made in that post was the compatibility of the oil pan and gasket thru the various years from 1970's thru 2004.