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255 water pump

  #1  
Old 01-10-2019, 04:35 PM
Bullnose81
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255 water pump

I've searched high and low on the interwebs and always come up empty handed. I've been searching for water pump bolts for my 1981 f-100 with the 255 ci and only come up with results for the 289 or 302. Does anyone know of a site that sells them or an engine that they may be interchangable with? I bought the truck from a guy who tried to replace the water pump gasket and he ended up losing the bolts that joined the a/c compressor bracket to the front of the water pump.
 
  #2  
Old 01-10-2019, 05:30 PM
85e150six4mtod
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Welcome to FTE!

Looks like it's the same as the 302, probably non-efi 302. This has a nifty picture and shows where they belong. Spendy at $50+ for most kits, but I'm sure you deducted that from the purchase price. You might consider pulling that motor and installing an exploder 302. Why suffer the 255 curse of low power and underwhelming mpgs when you can drive in style with something that actually makes a little power. And no, a fully restored F100 with OEM 255 will never be a collector's item.

https://www.cjponyparts.com/water-pu...SABEgIirfD_BwE
 
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Old 01-10-2019, 06:56 PM
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Why not take a small allen wrench or something similar, stick it in the holes to measure the depth and then go buy bolts at tractor supply or somewhere similar?
 
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Old 01-10-2019, 08:21 PM
85e150six4mtod
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The compressor bracket mounting bolts are the "deal killer" on that. However, threaded rod, locktite, lockwasher or nylock nuts could cure the problem. Factory is best, but cobbed up might pass the test.
 
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Old 01-11-2019, 09:28 AM
big ole ford
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Threaded rod with flange nuts or regular nuts and washers would be the easiest way to get it back together, parts stores used to sell those 2 bolts in a pack for like 15 bucks but i have not seen them in ages and could not find them when i tried just now. I havent even seen a 255 in 15 years or more.
 
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Old 01-11-2019, 12:13 PM
matthewq4b
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Originally Posted by Bullnose81 View Post
I've searched high and low on the interwebs and always come up empty handed. I've been searching for water pump bolts for my 1981 f-100 with the 255 ci and only come up with results for the 289 or 302. Does anyone know of a site that sells them or an engine that they may be interchangable with? I bought the truck from a guy who tried to replace the water pump gasket and he ended up losing the bolts that joined the a/c compressor bracket to the front of the water pump.
Easily found but not always cheap.

https://www.cjponyparts.com/catalogs...ter+pump+bolts
 
  #7  
Old 01-11-2019, 04:26 PM
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Same water pump: 1981/82 F100 255; 1980/86 E/F100/150/250/Bronco 302; 1980/87 E100/350 & 1981/87 F150/350 & Bronco 351W: E6ZZ-8501-B (Motorcraft PW-153).

Also same as some 1970's/80's 302 cars.
 


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