1970 340 Balance Problem...Bottom Line

I can understand where you (fishy) were coming from now,as good as people are we are all only human so I dont take every piece of info in a book as the gosphel-heck there are how many versions of the bible?.But in saying that there are definitely those (Shepard being one) who shine and are true enthusiasts/professionals and without them the hobby wouldnt be the same.As a side note my brothers numbers matching 73 340 four speed challenger has a cast crank as well as a engine from an original 73 340 four speed duster.Ive also heard of late 72 auto cars with cast cranks but never saw one,my late 72 340 has a steel crank (four speed). :sad: