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  1. PurpleBeeper

    5 blade to a 7 blade well it help

    Please give the scientific explanation. I understand that at the extremes, flow won’t be good….e.g. a 1-blade fan or a 1000-blade fan won’t flow well. I just went from a 6-blade to a 7-blade and saw a 5-degree lowere running temperature about 1 hr apart (before/after) and the 7-blade runs cooler
  2. PurpleBeeper

    5 blade to a 7 blade well it help

    Really? It’s hard to image that if the fans spin at the same rpm & the blades are at the same angle. Where did you see that information?
  3. PurpleBeeper

    1972 Dodger Charger 440 need some input on electron module

    Agreed. You may have a late 1972 Charger with 1973 ignition. It happens all the time
  4. PurpleBeeper

    Holley 3310

    Leave it as is & run it. I’ve had very good experience with that exact carburetor
  5. PurpleBeeper

    Thoughts on shocks for a wagon?

    Monroe, Gabriel ?
  6. PurpleBeeper

    15 x 8 or 15 x 10 ?

    15”x8”…I sold my 15”x10” because of clearance problems. The 15”x8” still needed fender well modifications
  7. PurpleBeeper

    Defogger/ Convertible Switch Mystery?

    These guys are correct. The knob itself is reversible. Convertibles never had rear window defoggers (fyi). That location is correct for a convertible top mechanism & “probably” the same location for a defogger switch (?)
  8. PurpleBeeper

    Question for body guys about lead or not

    Fair point….and hearing loss, definitely hearing loss
  9. PurpleBeeper

    Waterless coolant

    It’s ethylene glycol with about 1% water. I was an antifreeze scientist & inventor for several years. I analyzed Evans Coolant (& found an angle around their patent). It’s SUPER close to DexCool concentrate. It’s based on 2-ethyhexanoic acid (fyi)
  10. PurpleBeeper

    Waterless coolant

    Specific heat is the material’s ability to absorb & hold heat. Thermal conductivity is a chemicals ability to conduct heat….out of the engine’s coolant and into the air. That is what you want and water is way more efficient than ethylene glycol. Also…FYI - Water Wetter & similar products are...
  11. PurpleBeeper

    Waterless coolant

    Specific heat is the material’s ability to absorb & hold heat. Thermal conductivity is a chemicals ability to conduct heat….out of the engine’s coolant and into the air. That is what you want and water is way more efficient than ethylene glycol
  12. PurpleBeeper

    Waterless coolant

    Agreed. Water transfers heat better than ethylene glycol (EG). Evans coolant is basically DexCool without any water.
  13. PurpleBeeper

    440 spark plug reading

    Those two plugs look perfect
  14. PurpleBeeper

    Question for body guys about lead or not

    Lead causes brain damage….so, no.
  15. PurpleBeeper

    WTB Dust trail

    Maybe ask Phoenix Graphics?
  16. PurpleBeeper

    Speedometer Wobble - Diagnosis & Repair?

    Any idea what they did to it?
  17. PurpleBeeper

    4-speed console question

    Nope. It’s really tight in there. You may be able to slide the whole console towards the passenger side a little bit by ovalling out the main 4 console screws down inside the console(?). I’ve also considered if (?) I can trim either edge (console side or floor side) of the 4 spd “hole cover”…the...
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