360LA Clutch Fan
This here appears to be a therm0statically controlled viscous clutch, which is the type I use, except mine is a FORD, and it bolted right onto my late model Mopar pump. I have no idea what carline this "offset" fan came from. Except that, in the circles I travel, I've never seen it on a Mopar.
However I run a 7-blade fan. This type of clutch, with the right stat performs excellent, holding the temperature of my system within about 2 degrees, at up to 37* ambient temp, about the hottest it gets up here, in Manitoba.
My rad is year 73, off a 318 Dart with A/C, and is installed in the original Slanty core-support of my 68 Barracuda. The only mods are to the patches on the tanks and a few pinched tubes.
To be fair, the trans cooler is not being used.lol
BTW
I am so enamored of my set-up that If I had an Early A, I would do whatever I had to to make it fit, including either;
Moving the engine and trans back, or the rad forward.
I cannot tell you how wonderful my driving experience has become, since I learned to trust the cooling system. This one has stood the test of time, having been installed in year 2004