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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Master Cylinder Pistons

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Old Jul 10, 2016 | 11:14 PM
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Christopher Wipper
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Master Cylinder Pistons

1983 F250, 460ci... How do I know if I have single or dual piston master cylinder? GVWR is 8,800 lbs
 
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Old Jul 10, 2016 | 11:21 PM
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I misunderstood you at first. You will have a dual circuit master cylinder, but for your year, there are single piston and dual piston calipers, and they use different master cylinders.

So look at your calipers:

Single, although from a Ranger so probably a bit smaller:

http://www.therangerstation.com/tech...on_caliper.JPG

Dual, again a Ranger but you can see the difference:

http://www.therangerstation.com/tech...on_caliper.JPG
 
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Old Jul 12, 2016 | 10:37 AM
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Originally Posted by Christopher Wipper
1983 F250, 460ci... How do I know if I have single or dual piston master cylinder? GVWR is 8,800 lbs
Your truck has dual piston calipers.
 
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