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Old 10-31-2015, 10:15 PM   #1
9teen69
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Join Date: Sep 2002
Location: Austin, Texas
Posts: 1,048
XMSN swap complete but not shifting auto...

I finished...kinda my transmission swap today. 3OTT to a TH350 and it doesn't shift automatically Did I hook something up wrong or maybe it's a manual valve body? I have the vacuum line running from the modulator on xmsn to the vacuum advance on the HEI ready dizzy.

It shifts fine when I start out in 1, 2 then 3. So I'm super happy for the most part

I don't know the history nor does the board member I bought it from.

Also wanted to say thanks to everyone on the site for their help current and past post.
Column linkage like this saved me so much time
http://67-72chevytrucks.com/vboard/s...d.php?t=491049

Rebuilding my column, even when I didn't read " Metal one goes in first." on post 8 and took me a day to figure it out.
http://67-72chevytrucks.com/vboard/s...d.php?t=630848

Thanks for the help.
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72 Cheyenne SWB C10 (daily driver)
(Super fake cause I just love the glovebox emblem)
70 Camaro RS (frame-off in pieces)
70 Camaro RS (daily driver backup)
69 Custom LWB C10 (son now drives)

Last edited by 9teen69; 10-31-2015 at 10:22 PM.
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