Re: Is adding air conditioning an unobtainable myth?

Posted by HH56 On 2011/7/22 14:38:09
The V8 pulleys are held on by a single 3/4" bolt. Vibration damper/fan pulley is keyed to crankshaft and held on by the bolt. To add the AC pulley, it will stay untouched. The PS pulley is nested inside the recess of damper and keyed via detents and cast depressions in the recess and also held on by the bolt. Depending on the type Packard AC pulley you are adding, it is either a single (Nordstrom repro type) which just adds to the PS pulley recess & also nested and keyed same way but a longer bolt is needed. If you have the other type dual AC/PS pulley (ARA or aftermarket type), then old PS pulley is removed, new added in it's place and bolt reused. I don't believe any other make pulleys will fit. To change it, in all probability the radiator will need to come out for clearance.

By all means, add a relay and separate power for your AC. The ign switch can barely handle a stock Packard. Where and how you control it depends on your new system but here is how Packard did it. The ign switch only feeds the relay coil. The separate fused source from solenoid bat terminal actually does the work. Depending on your system, it may have one in it's loom already or you may have to add it. Hopefully your mechanic can determine the best way.

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