I just stumbled across this information on the differences etween MOOG and the Just Suspension ball joints over on the Slantsix. org page. Interesting reading. You'll have to copy and paste I think.....http://www.cbodydrydock.com/content.php?article.20

1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)