Quote:
Originally Posted by Bigdav160
What you say is correct about the RPO codes. TH400 would have been a M40 on the build sheet.
The TH350 is a fine transmission for all but the highest or torque/horsepower small block engines. It will also holdup to a very mild big block.
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Digdav:
So I should go off the build sheet code? (I will also get under tonight to verify by using the pan bolt pattern).
Also, I have read all about the 700r4 being the trans for daily driving, but I dont feel quite ready for that sort of swap. So in the mean time, outside of rebuilding the trans, what other components things should I do, to make the th350 achieve its best mpg?