Posted by Dean in CA [184.108.40.206] on Sunday, March 28, 2021 at 08:42:30 :
In Reply to: Re: 57-68 WM300 NP420 posted by Vaughn [220.127.116.11] on Saturday, March 27, 2021 at 23:07:51 :
Remember the NP420 has the 5.125 bearing retainer on the front and the early M37's
I believe were the same as the early PW spur gear at 4.75 bearing retainer hole. This maybe where you are having different bell housing #'s.
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