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  1. 70DartMike

    Cooling question

    Hey, I've got a question about my cooling system. I'm not necessarily worried about the temp it runs at, however I don't understand why it's running a bit hot. Here's the deal. 1970 Dart 340, 727, 3.23SG 10.5:1 pistons Comp Cams 280/480 (????) .. Can't remember specs.. Edelbrock air gap...
  2. 70DartMike

    Need opinions on radiators

    I need your guys' opinions on radiators. I have a 340 being built, roughly 400HP. I don't have a radiator yet for it, but was wondering what you guys think I should go with. Stock 340 rad? Or aluminum? Or what? I read elsewhere that Challengergary is a rep for Champion Radiators, anyone suggest...
  3. 70DartMike

    Radiator quick fix?

    Stupid stupid stupid me.. :angry7: Not even going to say what happened, but I managed to push in a few of the fins in on the rad for the 273. Coolant is leaking out of where the fins got pushed in now. I thought I could just change it out for the rad in the Dart, but wouldn't you know it, the...
  4. 70DartMike

    Cooling question, running too hot.

    The car has a 318 with 4 bbl and headers, and a stock 318 radiator. It had a 180* thermostat and for a while wouldn't run any hotter than 185*. Now (I figure since its summerish and hotter out) it's running around 200 - 210* so I changed it to a 160* thermostat but it still is running 200* ish...
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