Help identifying the code on this 200r4 transmission

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Jmac

Not-quite-so-new-guy
Mar 17, 2015
45
11
8
McKees Rocks Pa.
I need some help getting some info on this transmission 200r4 from a monte carlo ss
200r4 trans.jpg
 

1320John$$$

G-Body Guru
Sep 18, 2019
951
2,043
93
Pennsylvania
1988 CZF
just pull the pan all 200s are ink stamped on the valve body
 

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69hurstolds

Geezer
Supporting Member
Jan 2, 2006
8,037
17,134
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Sept. 11, 1987 build date. Made for the 88 model year, built 2nd shift, "C" seems very light stamp in front of ZF as it's not supposed to have any gaps after the model year. Probably filled in with whatever paint they were using. And 0546 is the unit serial number.

Unless you're going to put a Chevy engine in it, stick with the OZ. It's just as good.

IMO, when the OZ is set up to factory specs, it shifts harder than a CZF, so if you're looking for a softer shift, go with the CZF.
 
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