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Old 04-12-2013, 07:32 PM   #31
Brad54
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Join Date: Aug 2006
Location: Athens, Georgia
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Re: Finally caught a break NP440 / MY 6

Quote:
Originally Posted by cortcomp View Post
Rich is right about the case front bearing wallowing out on super hard use, tranny shops will bore that out and sleeve it with stronger material to solve it if it's an issue.
Yes, that's the standard fix from the Mopar guys... it's not a big deal, just need to be aware of it.

As for the speedo gear, if you need to change BOTH parts of it, yeah--it's a pain. I was able to do the math and find the correct drive gear and housing online--it's the same as a TH350 and 700r4 unit.
My truck has tall tires and 3.42 gears, and that OD is just sweet driving down the highway honking along at 80mph.

Since I've got a '60-'62 truck, I'm forced to use the stock bellhousing with the side mounts and hydraulic clutch. I could convert it all, but there's really no need.
So, with that said, does anyone know if there is an iron case with the Chevy-style mounting to use with a typical GM bellhousing?

-Brad
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