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#1 |
Registered User
Join Date: May 2016
Location: Oklahoma
Posts: 201
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How I installed a 90's, 14-bolt, semi-float axle in my 1971 C20 pickup. This swap maintains the original axle width (65 1/4") and adds 13" disc brakes. All parts are GM so it will be reliable and work great.
Axle = 1989 - 2000 Chevy & GMC light duty 3/4 ton with drum brakes. 2WD and 4WD are same width if 13" drum brakes. Disc Brakes = Early 2000's Chevy & GMC light duty 3/4 ton. Calipers mounted on back side so parking brake cable routes correctly. Other necessary parts: 1. Axle perches cut for 3 3/8" axle tube 2. Laser cut brake mounting flanges (1/2" thick) 3. Laser cut backing plate concentric rings (3/16" thick) 4. 3/16" custom brake line kit and 3/16 to 1/4 adapters at distribution block 5. 2X LH brake hose from 2001 C2500 6. 2X LH parking brake cable from 2001 C2500 7. 9/16" wheel studs for 80's 9.5" axle https://www.youtube.com/watch?v=e-AF0CLiAQA&t=638s
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1971 C20 Custom Deluxe, HT383, 4L80E, 3.73 Locker, 4 Wheel Discs |
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