How do you read date codes on power steering boxes? Per the picture below, the date on this box is "9299". So is the correct date the 299th day of 1969, or is it 9-29-1969?

Thanks everyone.

9-29-1969

http://mmcdetroit.com/Date_Codes/

Perfect...Thanks, John.

Rob,

Will that one work for you?

Tom

There is also another date stamped into the box elsewhere.
I remember a flat area on mine that was stamped 1019 and that goes along with all the other date stamps on the car. If I remember I will look for a photo.
David

see if this works. In the orange square is where my date stamp is. Hard to see with this photo but it's there. You can see it faintly.

That's probably the assembly date

Thanks everyone. I do not see an assembly date stamped into the pad next to the valve outlet on the top of my box.

Tom - I was hoping to find a box with a date in the October range since my car is a B21 SPD. Not sure if you have one that’s a little later.

Which brings me to another question: If a box was cast in Oct-Dec, how did they represent the 2-digit month on the box? It doesn't appear as though there's enough room for a 2-digit month, 2-digit day, and 1-digit year (5 digits total). It looks like they only have room for 4 digits. Did they switch to a letter code for the month, like A289, as an example for Oct 28th 1969?

Rob

Rob,

I think they did it all with numbers. I have plenty of cars to check and have some extra boxes but as usually I'm not home right now.

Chris

Thanks, Chris. If you (or others) could share some pics for what this would look like, that would be really helpful.

Rob

Cast 9/29 and probably assembled in 10 or 11/69. What is the OE "acceptable" range for PS pump casting to actual install date?

Tom

I would say probably 30-60 days in advance of the build. I'm sure this one is within range. For me it's just a preference thing.

Rob

I pulled this out of storage and was trying to figure out the date code.This came out of my Cuda.TIA

From my Challenger R/T SE - SPD of 109.

5carguy = Based on the logic of reading the casting dates above, it looks like your date is 2-42-7, which obviously doesn't make any sense. That is an interesting date. What is the year and SPD of your Cuda?

RusTy/SE - It appears as though your date is 10-24-9, which makes sense as Oct 24th, 1969. If that's true, it looks like they did squeeze in an extra character for a 2-digit month.

I have a 71 Cuda SPD Feb 3 Thanks for responding

Look at the part number on the box - that's not a 71 part.

That is a box dated the 242nd day of 1977. The box part number is incorrect for a 71 car, it has obviously been changed out. Looks like the dating of these boxes changed between 1971 and 1977.

I just checked the number and it is for a 73 A Body.Thanks for the replies.

I didn't recognize that part number either, but figured it was not 70/71.