Uncle Joe
Sorry, I don't know how I could have possibly misread your thoughts from your statement. I just figured that you were talking about something older, as I have never encountered weights on a torque converter compatable with an externally balanced engine on any Mopar engine from '62 - '70. Something older than that I would not know if the converters had weights on them or not, as I have never dealt with them, thus my predated conclusion.
One of four things is going on here.
1) You are looking at a small amount of weight intended on balancing the converter itself.
2) Someone put a '71 or newer torque converter made for an externally balanced engine in your '65 Chrysler.... I wanted to say New Yorker, because of your 413 statement, but I won't, as my head is still attached by a small amount at this time.
3) You are here to blow smoke up someones...._____, presenting yourself as all knowing, when in reality no one is, that's why I told him to do his research and find the final answers himself. That's how you learn.
4) Possibly, you are bat **** crazy, as you told him he had to have conversion motor mounts in order to put a big block Chrysler in place of a big block Chrysler.
Evidence #2 is your second statement, where you lead off to bash me like I'm an idiot for stating that the later cast crank engines were externally balanced, and they required weights on the converter, as well as having the larger harmonic balancer. But reality reveals that by the end of '73 all 440's were externally balanced with weights on the converter. Starting in '71... all the 360's, starting in '72 all the 400's, '72-'73 340's, and all the 5.9 Magnums. In your 40 odd years of being a Mopar mechanic, exactly what besides a '65 Chrysler did you work on???
Your statement doesn't seem to track right, as it seems to draw conclusions out of the blue...or maybe it's cuz I'm a moron, but... here's your quote...
"In the 40-odd years that I've been working on Mopars, I've only ever seen a weighted converter used on the early type A727. Although their may be exceptions - and knowing mopar - there will be, that means that the original converter, together with its flexplate, can be used. One thing I have seen is two different boss diameters on the converter, so it is worth checking that this is correct for the hole in the rear of the crank that it fits into."
Externally balanced engines therefore dont cause a problem in this area.
Well Joe, in the 40 odd years that I've been a zoo keeper, I've only ever seen a Grizzly bear eat popcorn and Alpo, used on the dog type K9. Although there may be exceptions - and knowing mother nature - there will be, that means that the original wild Grizzly bear together with its cub, can be housepets. One thing I have seen is two different sets of plumbing on the bear, so it is worth checking that this is correct for the hole in the rear that the crank fits into.
Mentally imbalanced bears therefore don't cause a problem in this area.
My intent was purely humor with this last bit, but I apologize ahead of time if I just come accross as a jack-***. Seriously though, we should only give information to help and not hinder, and if we don't know, the answer is easy... I don't know. You have stated some legitimate facts, but other points you made were absolutely wrong. Here or anywhere else, I try to only give advice that I'm fairly certain of, and if in doubt, I look it up, or direct them to a possibly helpful source, vs telling them they need extensive, impossible to find parts, or tell them to just put it together, it will be fine, when in realty you don't know for sure.
Joe, if we aren't helping this guy out, at least we have been some good entertainment.