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TH350 downshift question

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05-24-2018, 07:27 AM	#1
rockyrivermark Registered User Join Date: Apr 2011 Location: Fairview Park, Ohio Posts: 1,031	TH350 downshift question 1970 c10 350/350 auto 3:07 rear end I believe New downshift cable installed last year. Adjusted to full cable pull at wot Truck downshifts fine under 25. Also downshifts fine over 45. Question is It won't downshift at all between 30-45. Is this normal? Any way to adjust? Maybe by adding an adjusting vacuum module? Thanks for any info offered Mark __________________ My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com Last edited by rockyrivermark; 05-24-2018 at 09:54 AM.

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