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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

over heat 351 c

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Old Jun 7, 2009 | 11:32 PM
  #1  
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david53ford
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over heat 351 c

looking for a water pump b-pass orifice plug for a 351c engine put this unit in my 53 f-100 with 5 blade flex fan and in stop and go traffic i get a little to hot checking shop manul found to happen with out this item. has anyone heard of this or know where I can get one it fits in thge block just below the t-sat and the t-sat has a hat that come down against it thanks David
 
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Old Jun 8, 2009 | 01:57 AM
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I don't know if they make replacements? I searched but could not find any. Maybe your best bet is to go to the pick a part and pull one out of a junk engine? Course, I dont know how well they pop out, if at all??


Here is the plate you are looking for, correct? :



If you are looking for the thermostats for the engine, I think the most popular thermostat is the Robertshaw thermostat part number 333-192 or 333-180.
Here is a link I picked up from someone on FTE that talks about the thermostats along with other part numbers and manufacturers as well.


Thermostat Replacement

Good luck finding what you need!
 
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Old Jun 8, 2009 | 05:02 AM
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Make sure you are running a fan shroud. My 73 Mustang ran hot without the shroud.
 
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Old Jun 8, 2009 | 08:45 AM
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Flex fans are notorious for not moving much air. If you have a stocker, swap it back in and see if that does it. Ditto on the shroud.
 
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Old Jun 8, 2009 | 10:02 AM
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Also, One question I have is, is the engine newly rebuilt. If it is it will overheat in low air flow situations - stop and go traffic, and long signal lights, etc - until it has about 3500-4000 miles on the rebuild.

Try a 7 blade T-Bird fan. I think they came in both 18 and 19 inch. Get which ever one is bigger and definately use a fan shround (as twise said). The fan should only protrude about 3/4 of the way into the shroud.
 
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Old Jun 8, 2009 | 10:24 AM
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Go with an electric fan. I have overheating problems in stop and go traffic. Installed the electric "s" bladed fan and now you can fly a kite behind it. Takes care of the problem and you gain back a little hp.

bc
 
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Old Jun 8, 2009 | 10:43 AM
  #7  
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Those bypass restrictors are apparently made of unobtanium and gold plated.

Brass Bypass Washer - Clevelands Forever
 
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Old Jun 8, 2009 | 09:20 PM
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I have two 351C and have being running one in my mustang since 1987. The fan shroud or an electric fan with a built in fan will help the most. Make sure you also have the correct radiator cap with the right pressure and last but not least use distilled water not regular tap water.

good luck
Jetman
 
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Old Jun 9, 2009 | 01:04 AM
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hi guys and thanks for the advice David
 
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