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Harv49
12-11-2006, 10:23 PM
The tag on the transmission is OG81 9-18 80. In big letters on the left is O and on the right is G. Is this a 200 4R? Any help is greatly appreciated. TIA.

Keller
12-12-2006, 09:53 AM
That is a 200-4R from an Olds. Probably a 442.

turbofish38
12-14-2006, 05:28 PM
The OG code is standard Olds 307. I think the H/O-442 uses the HG or OZ code.