« Reply #1 on: March 25, 2012, 12:43:33 PM »
It's well documented in other threads. Any 4.0, 4.2, 304, 360, or 401 are interchangeable. The only catch is that the V8 flexplate is balanced for that specific displacement. You need to use your original 998 flexplate, which works just fine.
http://forums.amceaglenest.com/index.php?topic=26.0
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