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Old 11-22-2011, 09:45 PM   #4
clinebarger
Senior Member
 
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: help, powerglide wont shift into high gear.

Make sure there is manifold vacuum to the modulator valve on the passenger side of the transmission (circle). Does the indicator on the dash work? Its been awhile since i worked on a cast powerglide...Isnt the shift pattern backwards on them, Could be a shift linkage adjustment issue....If all that checks out, I would take a look at the governor.
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