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I agree, and this is the right way, especially when dealing with non-OEM components..... Some people may need to be reminded to go slowly as you approach your goal tho.

Is it a pignose?? Have you talked to Detroit Muscle Technologies?? I'd bet they know something about it. Good luck.

I use them everyday....they may be in modern car ac systems, but they are not in old systems AFAIK. Any blacklight will work, if there is indeed any dye in the system.... leaks will show up as fluorescent green, under a purple (black) light. If you think you have a leak, and there is no...

His issue was the properly working low pressure switch was preventing compressor engagement, due to the lack of refrigerant charge.

What are my A/C pressure readings telling me about my A/C system? - Buy Auto Parts This is way too generic to be of any use whatsoever.

Will be painfully honest (and believe me im trying to help you).... refrigerant handling is dangerous, and you can ruin parts that are no longer easy to get and replace. Find someone with some experience to get the thing going for you.... You'll be a better man for observing this one for the...

Then you should easily be able to weigh in a block charge. And maybe since you havent, the low pressure cut-off is preventing the compressor from running.

What does that mean??? You dont already have it severely overcharged do you?? It cant pump a liquid state....

I use a C body 26" factory unit, dual slim fans and my Moroso electric pump fits right between the fans, much like the photo in post #2. Cheap way out.

Wha!!?? That's BS!! Lets see, boiling point of R134....-15degress. Boiling point or R12....-22degrees. Hmm, guess that checks out, carry on lol. :poke:

Engineering between the two will be close enough. Changing from one type of refrigerant to any other always requires the proper metering device for the refrigerant i.e. TXV at the head of the evaporator. Also, never reuse a dryer, get a similar sized new one. If you find the flushing solution...

Many times this is a problem with the resistor (for multispeed) or the plug on same.

Not positive about this, it's just my two cents.... The top two results for DEALER installed AC are dual shaft motors, likely installed horizontally with two squirrel cages on them.. It looks to me like those are for under dash booster fans... I would choose from the other two results for a...

Not the answer to your question i know.... but if it helps, I've run 26" wide from a '71 C-body in my '69 Dart for eons, and i know many different units would also bolt up. I did'nt think there was much if any height variation between A,B or C.

With the compressor running?? That's very odd. I would look to the compressor as problem. If the compressor was not running, then I would look for the reason why. As far as the dryer goes, it should always be changed anytime you tear into any refrigeration system. If you indeed have a...

I'm betting you are going to have issues with the radiator end if you are doing a BB Abody. What is your application? Does the new radiator match the original configuration?

Up, up and away through the hole in the ozone layer. :eek:

R-12 and R-134A are "low temp" refrigerants. R-22 is a "medium temp" refrigerant. You have to understand that a refrigeration system is designed to operate around the characheristics of a given refrigerant, boiling point specifically. As far as the test required for the purchase of...

It does sound like most likely a bad compressor. Be wary tho, that a restriction in the system will act in a similar fashion, and of course can fry a good compressor as well. You do need to change the drier, and the TXV should not need to be changed, but if there's a restriction, it is most...

Are you looking at both head and suction pressures?? Which one drops off?