Disc brake conversion with no booster
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Junior User
Joined: Apr 2017
Posts: 70
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From: Salt Lake City, UT
Disc brake conversion with no booster
Guys,
I have a 1966 F100 2WD that just had the hubs come apart on me. So, time for new hubs, right? Or is it time to convert to discs?
I like the idea of finding a donor spindle, hub/rotor, calipers, etc and simply bolting them on without fussing with a brake booster. Is it really as simple as it seems or am I missing something? Would I need a different master cylinder, proportioning valve, lines or anything like that anyway?
Any advice from anyone who's done this recently? Is it worth my effort or do I just find new hubs and rebuild the drums?
I have a 1966 F100 2WD that just had the hubs come apart on me. So, time for new hubs, right? Or is it time to convert to discs?
I like the idea of finding a donor spindle, hub/rotor, calipers, etc and simply bolting them on without fussing with a brake booster. Is it really as simple as it seems or am I missing something? Would I need a different master cylinder, proportioning valve, lines or anything like that anyway?
Any advice from anyone who's done this recently? Is it worth my effort or do I just find new hubs and rebuild the drums?
Logistics Pro
Joined: Feb 2011
Posts: 3,522
Likes: 11
From: Townsend, MT
Find a cheap '73 to '79 donor pickup and swap the entire front end. Add the power steering gear and pump and the brake booster and master cylinder and away you go. Disc brakes, P/S, P/B, dual reservoir M/C, and proportioning valve all in one shot.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
1973/79 F100 2WD: Manual disc brakes were standard equipment, power disc brakes were optional.
All 1975/79 F150 2WD's have power disc brakes.
1978: Ford changed the P/S pump on everything except Econolines and cars with Hydro-Boost.
This Ford C-II P/S pump has a plastic reservoir, the P/S pressure hose connects to the pump w/a qwik connect fitting.
There are no FE P/S pump mounting brackets that will fit the C-II pump, as FE engines were cancelled at the end of the 1976 model run.
1967/77's (except 1975/77 Econolines and 1972/77 cars with Hydro-Boost) used the Ford/Thompson 'pencil neck' P/S pump.
This pump has a steel reservoir, the P/S pressure hose threads onto the pump.
All 1975/79 F150 2WD's have power disc brakes.
1978: Ford changed the P/S pump on everything except Econolines and cars with Hydro-Boost.
This Ford C-II P/S pump has a plastic reservoir, the P/S pressure hose connects to the pump w/a qwik connect fitting.
There are no FE P/S pump mounting brackets that will fit the C-II pump, as FE engines were cancelled at the end of the 1976 model run.
1967/77's (except 1975/77 Econolines and 1972/77 cars with Hydro-Boost) used the Ford/Thompson 'pencil neck' P/S pump.
This pump has a steel reservoir, the P/S pressure hose threads onto the pump.
New User
Joined: May 2015
Posts: 18
Likes: 0
From: Martensville, SK
I might be a few short steps ahead of you.
I've got to clean and disassemble my master cylinder out of a 73 F100/F150 (not sure which one), but it looks like a pretty straight-forward installation. The Raybestos rebuild kit comes with the pushrod and dust cover for manual and power brakes. The bolt holes look like they line up perfectly. After looking things over I'm going to try to go for manual disc brakes with a dual master cylinder. I've read some guys say that the smaller diameter lines in the 70's trucks results in an overly sensitive pedal when you use the booster. I've also driven a few disc brake cars with manual brakes, and I never felt like I needed the assist. It's worth a shot, anyway.
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