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  1. Transmission - Rearend
    I have a 40 ford coupe w/ 700R4 Trans. will not shift into 4th gear don't think it is going into lockup either. No computer, manually shifts into 1st, 2nd,3rd put in drive and will not change stays in 3rd. Have changed pressure switch, lock up wiring all from GM. Removed valve body no sticky...