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converting 72 F350 a/c?

zakt on Thu June 11, 2009 1:01 PM User is offline

Year: 1972
Make: Ford
Model: F350
Country of Origin: United States

I have the stock 390 with stock A/C and will be putting a 460 EFI motor out of a 95' F350 in it. I want to use the 460 compressor and thinking the 460 condensor and then use the 390 Dehydrator (will this work) then use all the rest of the stock 390 stuff??? My stock 390 already has the R134a tag on it and assume the 95 is also that (so 80-85% fillup with R134a)?? Any thoughts or ideas appreciated.

Todd

Edited: Thu June 11, 2009 at 1:55 PM by zakt

bohica2xo on Sun June 14, 2009 10:26 PM User is offline

The 460 condensor is a good choice. Be sure you use the cooling fan & shroud from the 460, and that is is well coupled to the radiator & condensor.

The '72 pickup used an expansion valve, and this is a good thing to keep. This means you will also need to have a receiver / dryer (what you called a dehydrator) on the high side. Any R/D large enough will work in this application, use what fits well. The 460 system has an accumulator on the evaporator discharge, you will not be using that.

There will be some custom plumbing to tie everything together, and Jack or Tim at AC Kits can help you with that.

The '72 pickup evaporator should be flushed to bare metal, especially if it has been open for very long. Was this factory A/C or dealer installed? I can't recall if the '72 pickup used a POA valve or a temp switch on the factory setup, but the dealer A/C usually used a temp switch to prevent evaporator freeze up.

Hope this helps.

B.

-------------------------
"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

zakt on Mon June 15, 2009 12:20 AM User is offline

It is all stock A/C, talked to someone else and there saying to put a crossflow condensor on which would even better than the 95?

Todd

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