Transmission swap

15Feb 2018
I have a 55 210 with a 6cyc and a cast iron Power glide Transmission which I wish to swap with a TH350 Are the bolt patterns the same ? and what other problems can I expect to find

20Mar 2018
Mr Bowtie
The TH350 has the same bolt pattern as the powerglides for V8's. The TH350 has a vacuum modulator to shift the transmission. Be certain to install the vacuum line, otherwise the transmission will not downshift when coming to a stop and you will burn up the clutches.

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