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Old 07-12-2006, 09:38 AM   #2
72MARIO
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
Re: 700r4 problems!!

I have heard that some times you need to wind the truck up to 100mph to get a rebuilt tranny to go into 4th.....
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair
http://67-72chevytrucks.com/vboard/s...d.php?t=625017
1967 C/20 6.0/4L80 Roofing Truck
1990 V2500 Suburban "Plow Truck"
2005 TAHOE DD
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