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My master has gone bad...I have a 78 F250 with heavy duty dual piston calipers. I’m including pictures as reference, all the master cylinders I see have the holes
on the opposite side of what I have...am I missing something? Meaning if your looking from the front of truck the two holes are on the left side of the cylinder, not the right.
May be someone put dual pistons on the front, everything im seeing with that style master cylinder is single piston.....So maybe just buy the single piston MC ? https://www.rockauto.com/en/catalog/...+cylinder,1836
May be someone put dual pistons on the front, everything im seeing with that style master cylinder is single piston.....So maybe just buy the single piston MC ? https://www.rockauto.com/en/catalog/...+cylinder,1836
Which means it's the wrong booster and master cylinder for the dual piston calipers.
Im no expert, but it appears that way given the parts im seeing, your brakes look nice, clean and certainly not 40 years old. If you want to give us all your trucks info, VIN engine, 4x4? we can figure out what it came with out of the factory, but im leaning towards it was single piston and someone put duals up front..... Dont let me be the final word tho, the only truck i know alot about is mine
Im no expert, but it appears that way given the parts im seeing, your brakes look nice, clean and certainly not 40 years old. If you want to give us all your trucks info, VIN engine, 4x4? we can figure out what it came with out of the factory, but im leaning towards it was single piston and someone put duals up front..... Dont let me be the final word tho, the only truck i know alot about is mine
The 1st pic shows shows coil spring front suspension and 2wd twin I beams so its 2wd. F250 ='s 3/4 ton, 2wd (even though it looks 4wd), but F250 8 lug, so dual piston calipers are stock? I am not a 2wd F250 owner, but shouldn't that caliper support key and spring (T bar) be on the BOTTOM of the spindle and disk brake bracket?
Yes E F250
Looks like a 73 2wd F250 came with single piston?
Pay no mind to the red dot.
The 1st pic shows shows coil spring front suspension and 2wd twin I beams so its 2wd. F250 ='s 3/4 ton, 2wd (even though it looks 4wd), but F250 8 lug, so dual piston calipers are stock? I am not a 2wd F250 owner, but shouldn't that caliper support key and spring (T bar) be on the BOTTOM of the spindle and disk brake bracket?
Yes E F250
Looks like a 73 2wd F250 came with single piston?
Pay no mind to the red dot.
Single piston calipers were on the bottom. Dayton dual piston were on the top.
If your brakes were good before the MC died then to get it on the road all you need is a Ford MC that has the same piston diameter... I’d take the C clip off the back of your current MC and see what diameter the piston is then find something that has the same. Or find a part number on your current MC.
It does look like some swapping has happened on your brake system. Do you know if the body on your truck original?
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