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  1. Isaiah Estrada

    Heater Boxes are NOT FUN

    I finally decided to take action and bring my old man along for a Saturday of work on the 68 Chrysler. Funny thing is my old man to many of you is probably old enough to be some of your sons LOL. (He was born in ‘77, me in ‘01) Anyways, I think having him there really helped me get the ball...
  2. Isaiah Estrada

    AC vs Non AC Water Pump comparison

    Here’s a side by side of an AC vs Non AC water pump. Left pump is a Non AC, right is w/ AC. Right pump is an ACDelco. I noticed that although it still has 6 blades, they’re a lot bigger than the ones on my OE pump! Here’s my roached OE pump The ACDelco’s blades extend farther than the...
  3. Isaiah Estrada

    Should I re-use this water pump housing?

    I removed the water pump housing before sending the motor. I just had the machine work done to it and the long block assembled. How they received it. I sent the intake too, but it’s removed here. Never sent them the water pump housing.
  4. Isaiah Estrada

    Should I re-use this water pump housing?

    Crazy how the citric acid can eat away at years of nasty rust! After paint I took both housings to the local engine shop because I wanted to have my later one machined to my factory housing’s specs (5/8 pipe, shorter ear for AC bracket.) The old one would have been a template for them to...
  5. Isaiah Estrada

    Should I re-use this water pump housing?

    For fun, I let the housing soak for another day in the citric acid. I scrubbed vigorously and cleaned all the threads before I put it back in the acid. I wanted to see how well it could come back. Didn’t look too bad!
  6. Isaiah Estrada

    Should I re-use this water pump housing?

    Thankfully the motor has been completely rebuilt!
  7. Isaiah Estrada

    Should I re-use this water pump housing?

    Thanks everyone for the good input! I DO have another housing, however it’s for a later big block. The heater pipes are different Stock water pump housing 1970+ housing One of the heater pipes is still a 5/8, but the other is like 1/2. I didn’t realize this when I bout the unit over 2...
  8. Isaiah Estrada

    Should I re-use this water pump housing?

    Thanks for the advice! Not mentioned in my post but I did take extra care to make sure the piping connections were tidy! I used small pipe brushes and also chased the threads to make sure they are clean. An extra day in the citric acid should be enough to make this housing rust free:) I’ve had...
  9. Isaiah Estrada

    Should I re-use this water pump housing?

    This is the stock housing that came on my New Yorker. Let me tell you, it was a PAIN to take apart. I’m talking about using the acetylene torch, breaker bars and drilling out 2 broken bolts… This is the water pump housing after letting it soak in citric acid for a day. I pressure washed it...
  10. Isaiah Estrada

    68 Chrysler HVAC box removal FRUSTRATED

    Eager to see how this turns out!!! Speaking from my perspective with my NY'er being just a shell, I hope the installation is straight forward. I am, however - a bit nervous to put everything back together. I can only assume, you didn't have to mess with the engine at all to get the box out...
  11. Isaiah Estrada

    HELP: Locating firewall rubber / grommet

    I am looking for the firewall grommet / rubber that goes around the evaporator tubes. Shown at far right in the picture below. Any help finding it is appreciated, thanks!
  12. Isaiah Estrada

    Heater Box: AC Evaporator removal. HELP

    The Evaporator is bolted to this tray and the bolt is extremely hard to reach :/ I’ll keep looking for anything else I can see!
  13. Isaiah Estrada

    Heater Box: AC Evaporator removal. HELP

    Hey all! Digging into the heater box, I’m stuck trying to remove the AC Evaporator. Have all external screws that secure it in place out. It’s free to move but it’s getting caught on these tubes which I’ve circled. They can’t go through the opening of the heater box itself… FSM doesn’t say...
  14. Isaiah Estrada

    Source for Ranco Type H16 control valve?

    Hello all, as you know I am doing a heater box restoration. I'm not finding too much on replacements for the heater valve. Mine is a Ranco type H16. I appreciate any help and tips on replacing it or where I should send it for rebuild. Thanks!
  15. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    I also bought a new AC / Heater core, kudos to @live4theking pointing me in the right direction of a good unit. Came in today, still in the box. Don’t plan to open it until I’m absolutely ready to install!
  16. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    Pulled the heater box today! Does anyone know what these are called, and where I can get them new? If they can even be found new? Thanks! I have a rebuild kit from DMT coming in.
  17. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    Just to confirm then, 3895790 is the correct one for a 68 C-Body?
  18. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    The one on my car unfortunately is shot, where the hoses connected the nipples were broken off. I think I may have another one - didn’t know they could be rebuilt. I’ll check this out thanks!!
  19. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    Oh snap! I purchased it cause it said “68-74 w/ 5 buttons.” Listing stated: That it has 7 vacuum hose nipples and 5 electrical terminals. Said it replaces Replaces switches 3431020, 2820487, 3895033, 3895790. Should’ve paid more attention lol… what is the correct one I should look for?
  20. Isaiah Estrada

    A/C Upgrade / Restoration. Any Tips?

    Thanks for this valuable knowledge and advice! I will look into purchasing everything you listed. Unfortunately it seems like they’re out of the AC/Heater core as it says unavailable :/ Love this setup!!! Looks so clean, I will check your thread out, thanks!!! You’re right, it is cutting it...
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