Talked to Hughes ... they actually recommended the GM4 Tow Master. Said on my engine/cam/rear combination it would give me more than stock stall, less than 2000.
Considering my original has a bit of roughness on the snout from rust, has a pad missing a couple of threads, and is full of garbage ... I think a new one is the way to go. So I have one on the way.
I like that this is a 13" unit, so most probably using an original core.
For those of you with piles of original 13" converters ... price for cores seems to be going up ... don't throw them out. (Hughes does not charge for cores BTW)
Thanks much for all the advice and comments.
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