When I did mine we got the conversion kit and converted it but it still did not blow cold. We went through a lot of BS before we found the problem; it was the liquid line.
Here are the parts I recommend for the conversion and you can do it in your driveway.
1. Dryer
2. New liquid line
3. Conversion kit and 1 extra can of r-134a
As long as there is not any thing seriously wrong like having contaminates in the system, which is unlikely, it should work fine.
The dryer is about 150 or less.
The liquid line is about 30 to 40 dollars.
The conversion kit is about 30 to 40 dollars.
You could maybe do it with only the conversion kit but I would replace all the items listed just to make sure it works right the first time and you don’t have any problems down the road.
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James Cox
nochevy@hotmail.com
1991 Mustang LX
12.565 @109.38mph 1.764 60ft