Casting Numbers: Mopar Engine Casting Numbers 1959-1978
The numbers on the side of the block are 2205697-2. The above link states it is a 59-65 passenger car block. I have no idea what it came out of, I purchased the block a few days ago for the crank only.
http://www.moparaction.com/tech/archive/disc-main.html
This link really helped me when I converted my drum brake '69 B-body to disc brakes using late seventies cordoba spindles.
These particular tubular upper control arms will give you several degrees of positive caster vs almost none with a factory setup. positive caster will give the car much more stability at highway speeds. FirmFeel makes a lot of suspension upgrades for MoPars, C-bodies included...
I just put a set of Bilstein shocks on all four corners of my '66 300. Even at $100 a shock it is worth the money, drastically improved the ride quality.
Next up H/D torsion bars, tubular upper control arms, stage II steering box and a rear sway bar from firmfeel. Good times.
I had a Platoon SGT in afghanistan that would say during our pre-mission briefs " if you dont have anything productive to say keep it to yourself"(I left out the swear words). I only bring this up because I think you could benefit from this advise. If you must criticize someones ad I would...
http://www.ebay.com/itm/Chrysler-300-Series-300-D-/121641575136?forcerrptr=true&hash=item1c526722e0&item=121641575136
Not mine but I know the owner. This is an amazing car, I wish I had the cash for this beast!