Im doing an drive train upgrade on my F-85 and Im looking for
information on useing the TH200R4 Transmission on a-1984 Olds 403 I
have rebuilt, I have a jetaway in it now and would like to get a
overdrive trnsmission like the TH2004R, but Im having trouble finding
the corrrect series code is it the ( 40M,50M 40Z or 50Z ) anyone
know ? any information on this would help.
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