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  1. J

    66 blower motor removal

    It's only been a thing with motors that have been spliced.
  2. J

    66 blower motor removal

    Make sure it's not reverse wired. I've had some that would still blow air if the +/- wires are reversed, but low volume and pressure. I know, it don't sound possible, but it is.
  3. J

    66 blower motor removal

    As I remember it, the nuts stay on, the screws come out, and it's a very tight fit. I just worried it out there.
  4. J

    Heater control valve disassembly

    It's for MPG.
  5. J

    Lower the temp for next summer.

    In 1969 Dad drove the bone stock 40k mile 64 361 A/C through the Miss Delta in 100 degree and 100 percent. State 82 was a two-lane 60mph road. It was 5 mph for three hours because of an accident. Lots of Ford and Gm steaming on the shoulder, but no Mopar's.
  6. J

    Lower the temp for next summer.

    I don't think the GM will be a roaring problem with a thermal fan clutch unless it's doing towing duty up long grades in second gear in hot weather that would engage it. Then it's going to suck up lots of noticeable power to run it up that hill at 3k rpm if it does engage. Bunches and bunches.
  7. J

    Lower the temp for next summer.

    Is that stock 7 blade fan roaring at 30 mph in first gear? If not, then the faster pully fan clutch combo would improve low speed cooling, I think. Reason being that the centrifugal fan clutch/pully combo lets the motor spin the fan faster for more air at idle, then let go so it don't roar at...
  8. J

    AC COMPRESSOR INSTALL

    The plug comes out easy enough by drilling, then make 4 vertical cuts just short of the threads with a Dremel. A 3/4 impact with adaptor has usually been able to remove them for me. Getting that plug out would be my preference.
  9. J

    Fan roar

    What was the outside temp? It will suck up a LOT of hp if it locks up at 2500 rpm. Big problem at 30/60 mph part throttle in second and third gear. Yes, you will feel it. You may go through a few fan clutches before you get one that behaves the way you want it to. Yep, it sucks. But they do move...
  10. J

    Timing and engine temp

    If it empties from full in a big hurry when you take your hand off the bottom outlet it's good to go.
  11. J

    Timing and engine temp

    This is going to be interesting.
  12. J

    Timing and engine temp

    Retarded timing can cause overheating.
  13. J

    Opinions on converting from R12 to R134?

    My limited experience with 12a and propane has been that the system is sufficiently charged before the sight glass runs clear. Yes, I use straight propane. I charge the system with propane from the barbeque tank to test the system after repairs to an old system. If I like the results, the...
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