What do these letters on the block mean?

[cruiser]

Hi All: I hope you're enjoying driving your slant six powered rides as I am. I noticed the letters "BH" molded into the left side of my 1974 Windsor built replacement block, and the letters "AAWJ" molded in the right side on my 1974 Duster. Does anyone out there know what these letters mean? Slant Six Dan, any ideas? Thanks, all. cruiser

 

[Super-Cuda]

I was curious about this. Here's what I found .

Only mention of BH is in the last line in brackets of block Casting number.

Extra ribbing in a 5 freeze plug block maybe??

 

[TF360]

Nothing like a Slant Cruiser! It means means-Most reliable engine Chrysler ever built!- Not really, but it's true...

 

[cruiser]

I was curious about this. Here's what I found .

Only mention of BH is in the last line in brackets of block Casting number.

Extra ribbing in a 5 freeze plug block maybe??





View attachment 1716157773

I was curious about this. Here's what I found .

Only mention of BH is in the last line in brackets of block Casting number.

Extra ribbing in a 5 freeze plug block maybe??





View attachment 1716157773

Got it - thanks!