I have a 1969 W30 that's missing the correct engine, trannie and rear
But talking to a previous owner from 25 years ago it used to have a 3.91 posi rear end. A reference book I have shows the 4.33 as being a factory option in 1968 and 1969, then it says that the 4.33, 4.66 and 5.00 could have been dealer installed options. I wonder if the two letter code would be there if it were a dealer installed ratio? I would expect it to have come on a 442, W30 or possibly a special order car. Beyond the ratio code and date there's probably nothing else we can tell about it's history. Yeah, I'd love to have it, but it would need to be shipped by freight on a pallet. Any idea what kind of price you would want for it? Or is there anything your looking for that you'd accept in trade? Send me a pm if you'd like to discuss it. John