The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1986 silverado gearbox fitting sizes. I need 6AN. PLEASE HELP!!!

NASTY-LSX · 07-30-2022, 09:32 PM

Quote:

Originally Posted by mongocanfly

79 and older were standard thread, 5/8 & 11/16..
Then 80 up went metric, 16mm & 18mm
My 81 is all metric with orings

http://67-72chevytrucks.com/vboard/s...d.php?t=620289

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