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I went to change the thermostat in my 75 f-100. I then quickly realized I had been the wrong thermostat. Or so I thought. Turns out it was the correct one for a 390 or 360 motor, which is what I have. The problem is that the manifold and carb were changed out to 4 barrell manifold (only God knows when), and the thermostat and maniflold came off a 361 ford motor. This was generally a f-600 type truck motor. The real big problem is I BROKE the thermostat housing. (a#$@#@$#) Now there is no auto parts store in the country that carries that housing for that maniflold. I have checked everywhere. My only hope is the salvage yard and I dont think that looks to promising. I have found nothing. If I cant find the housing, I will have to buy an entire new manifold. Where can I find a housing for this stupid 5 dollar thermostat that is on the verge of costing me a 1000% more. HELP PLEASE SOMEBODY.
I went to change the thermostat in my 75 f-100. I then quickly realized I had been the wrong thermostat. Or so I thought. Turns out it was the correct one for a 390 or 360 motor, which is what I have. The problem is that the manifold and carb were changed out to 4 barrell manifold (only God knows when), and the thermostat and maniflold came off a 361 ford motor. This was generally a f-600 type truck motor.
El Wrongo!
A 361 (FT) Intake Manifold is completely different than an FE engine.
Most likely you have an early FE 4 barrel intake that used the Large thermostat and housing versus the Later small style. These two Ford FE pros should have one...
Or do a search for Stant 31403 should be around $9 new.
When requesting the LARGE thermostat (if that is indeed what you need) ask for a 74 Dodge 318 T-stat, rather than a 63 Galaxie 406, the dimwit behind the counter will have better luck with it.
Thank you very much. I was able to locate one at Carls as you said I would. Turns out this is a very very rare thermostat housing and intake. Its found mostly on 427 high performance or 390 type motors on the 66 or 67 galaxies or fairlanes. No salvage yard I called even had a clue about this. NAPA, Oreillys, AutoZone couldnt even figure out what it was out of, let alone locate a housing for the thermostat. It would be sweet if the motor was swiched out on this truck to a 427 high performance. Probably the 390 though and thats alright. Again, THANK YOU SO MUCH.