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  1. 70bigblockdodge

    R134A issues and alternatives

    If your 134 is not cold your surface areas are too small. Look at any new car the tubes are very small diameter and there are a lot of them. The A/C in my truck will literally make my hands ache from the cold, yes I am old so that does not help. A straight retrofit on a R12 system will not blow...
  2. 70bigblockdodge

    converting from 12R to 134

    Flush, swap the O-rings to green, change TXV because it's a good idea. Good luck with a dryer all the ones I have ever seen have generic fittings which means adapters and more chance of leaks. I sweated mine original open (they are brazed) cut open a cheap replacement, moved the desecant and...
  3. 70bigblockdodge

    383 running hot

    Timing and air/fuel ratio will make a engine run hot at highway cruise. Fin count per inch of tube, cheap radiators have less. Core thickness is another place cheap radiators lack, you can have a 3 core that's 1 3/4" thick and you can have a 3 core that is 2 1/4" thick.
  4. 70bigblockdodge

    Summit racing aluminum water pump housing

    Mancini has a combo pump and housing for what seems like a decent price.
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