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Old 01-28-2007, 10:49 PM   #1
outlaw_69
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TH-400 in 69 GMC 1/2 ton

The truck had a 3 speed on the colum, but uhh...im packin big power so i had to get a big nasty tranny. I've heard of needing to move the cross member back to get it to mount up. How far do i need to move it back? Thanks-
Greg
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Old 01-28-2007, 10:58 PM   #2
Longhorn Man
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Re: TH-400 in 69 GMC 1/2 ton

You'll need to OBTAIN a cross member. The 3 speed has a totally different set up.
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Old 01-28-2007, 11:04 PM   #3
1BadSS
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Re: TH-400 in 69 GMC 1/2 ton

For a TH400, you'll need the crossmember, the donor trucks driveshaft, the column, the shift linkages, the list goes on.
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Old 01-28-2007, 11:11 PM   #4
Longhorn Man
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Re: TH-400 in 69 GMC 1/2 ton

rad, cooling lines, kick down switch (on carb) and wiring, and the hard line for the vac modulator.
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