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Old 04-19-2017, 10:12 PM   #29
87Skier
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Join Date: Mar 2014
Location: Corvallis, OR
Posts: 711
Re: Any 6L80/6L90 experts out there?

The case was measured close to 15/32" or 12 mm.

The case plugs are about 16.5 mm or slightly larger than 5/8".

I attached a picture of the case plug area. A high resolution image is at the link:
https://1drv.ms/i/s!AqJisnJDkgyPiYlbZviScO7p1I6hGA
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1972 GMC Jimmy Custom 4.8L (L20)/6L90E/NP205
1989 Chevy Suburban V2500 350/Turbo 400/4.11 gears
1996 Chevy Suburban K1500 350/4L60E
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