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  1. soundhd

    Correct Cooling Set up for a 70 Roadrunner, 383 Auto with A/C?

    Need to know the right cooling setup for my 70 Roadrunner; 383 Auto with factory A/C. I am pretty sure it needs a 26" radiator but should it be a 3 or 4 core with a shroud? Cooling fan? 7 blade clutch fan I assume? Water Pump? Which one is for a A/C car? I know there are high volume pumps...
  3. soundhd

    Location Of Vacuum Reservoir On 70 Roadrunner A/C Car With No Air Grabber Hood

    Trying to figure out everything thats involved in getting the A/C & Heater systems back working on my 70 Plymouth Roadrunner 383 A/C car. Have not been able to find out exactly where the vacuum system reservoir is supposed to mount. Do not have the Air Grabber option. In the shop manual page...
  4. soundhd

    Need Part # Of A/C Discharge Line On A 70 Roadrunner BB

    Wondering if anyone knows what the part number is for the A/C discharge line that runs from the Compressor, over to the driver's side inner fender, along the top of the inner fender to the front of the upper radiator support, turns along the upper front of the support and over to the...
  5. soundhd

    Need Photos Of 70 Roarunner A/C Lines Under The Hood

    Trying to get the factory A/C working again on my 70 Roadrunner. My compressor and condenser are in place but need photos of how all the lines are run in the engine bay. No correct replacements can be found anywhere so need to have them custom made. The shop manual has one diagram showing how...
  6. soundhd

    No Heat Or A/C On A 70 Roadrunner

    I have a 70 Roadrunner with factory A/C. Have no heat or A/C. Been looking over the A/C section in the shop manual and have pretty much figured out how it all works (pretty involved...LOL) Anyway looks like I have to remove all the heating/A/C components from under the dash to be able to...
  8. soundhd

    Best Coolant To Use Now Days?

    Need to replace my exhaust manifold gaskets on my 70 Roadrunner (383 auto, stock radiator) and have bolts now so going to install a stud kit first so need to drain the cooling system. I have owned the 70 Roadrunner for 3 years now and it was "sort" of restored 10 years before that so best I...
  9. soundhd

    Getting At The Heater/AC System Behind The Dash On A 70 RR

    Have a 70 RR with factory A/C. Nothing is working (heat/AC/fan). Need to get the system out from behind the dash and check it all out. Just wondering what is the best way to do that....was told to just take the whole dash out with everything attached but have to remove the windshield to do...
  10. soundhd

    Need A Diagram Of The Under Hood Vacumn lines On A 70 B Body With A/C

    Need a diagram of how the under hood vacumn lines are run on a 1970 Roadrunner, 383 Auto with factory A/C. Nothing in the shop manual. Thanks
  11. soundhd

    Best Place To Get A #2998956 Radiator Or A Copy Of One (for a 70 RR)_

    Have a 70 RR (383, auto,A/C). Has wrong radiator in it. Need to find a #2998956 radiator or a good copy of one.. Need to know where to purchase one. thanks Newbie in Michigan
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