Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Home away from home
|
55 and 56 but only the latter was negative ground.
Posted on: 10/1 16:39
|
|||
1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
||||
|
Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Forum Ambassador
|
Cohocom, for including your '56 Executive Hardtop Coupe in the Registry.
Posted on: 10/5 14:58
|
|||
Mal
/o[]o\ ==== Bowral, Southern Highlands of NSW, Australia "Out of chaos comes order" - Nietzsche. 1938 Eight Touring Sedan - SOLD 1941 One-Twenty Club Coupe - SOLD 1948 Super Eight Limo, chassis RHD - SOLD 1950 Eight Touring Sedan - SOLD What's this? Put your Packard in the Packard Vehicle Registry! Here's how! Any questions - PM or email me at ozstatman@gmail.com |
||||
|
Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Quite a regular
|
I'm in the process of adding a factory A/C system to my '56 Caribbean Hardtop. Have an original NOS Lehigh compressor and NOS clutch. Decided to go R134 as R12 is enormously expensive here in Southern California. What my A/C guy recommended is going with a cycling clutch as the original modulating would not work with the R134. We then gutted the modulating valve, so it just functions as a "pass" through, then added a module to cycle the clutch ala modern cars. Also, as mentioned in other posts, the original hoses, which I bought a few decades ago NOS, are not compatible with the R134. According to my A/C guy, the rest of the system should work fine with the R134. We will see in a few months how successful we are. Have heard stories that at idle or low RPM the Lehigh is not efficient and will not blow cold as modern systems. Any feedback on that issue? Thanks.
Posted on: Today 15:39
|
|||
|
Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Forum Ambassador
|
If you do use the Lehigh compressor, the original oil used with Freon R12 is said to be not compatible with R134a. Not sure of the extent of incompatibility but several professional AC sites say It is highly recommended the old compressor oil be drained and all components flushed a couple of times to rid the system of any traces of incompatible oil before new R134a safe oil is placed in the compressor and system. Several sites also recommend new filter/driers along with the new oil.
Posted on: Today 16:17
|
|||
Howard
|
||||
|
Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Home away from home
|
In the owners manual it says that if you want the AC to blow cold at idle, you need to feather the gas a bit to raise the idle. It’s just how they were.
Posted on: Today 16:31
|
|||
1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
||||
|
Re: Stock Air conditioning in a 56 Packard V8. To do or not to do?
|
||||
---|---|---|---|---|
Home away from home
|
All the compatibility points are valid. Do not expect a system designed and sized for R12 to blow as cold with R134. Before its environmental downside was known, there were reasons R12 was the choice
Posted on: Today 17:32
|
|||
|