1986 silverado gearbox fitting sizes. I need 6AN. PLEASE HELP!!!
 

Im doing a LS swap and need to tie in the power steering lines(custom made)
I need to put 6AN fittings in the gear box. I have been told I need 11/16x18 and 5/8x18 fittings. I thought these gear boxes were metric. Do both fittings have a flare with a o ring or just pressure? I dont have any factory lines to go off of. Thanks

Re: 1986 silverado gearbox fitting sizes. I need 6AN. PLEASE HELP!!!
 

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

Re: 1986 silverado gearbox fitting sizes. I need 6AN. PLEASE HELP!!!
 

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