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Old 09-22-2013, 08:14 PM   #20
71K20chevy
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Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,205
Re: 2 Speed power-glide odd shifting.

Red line, vacuum modulator for tranny. You won't need this line for the 700R4.

Black line, looks like a plugged off vacuum hose for something else. Also looks like it could be eliminated.

If you do remove them, be sure to plug the holes!
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