1. ALLAN

    ALLAN New Member

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    I feel I have not what I thought, I need to replace the rad in our 1970 Polara318. The new rad has the hose positions on opposite sides, as I had trouble getting the correct size belts I' m wondering if the engine is from something else? With the original rad everything lined up perfectly, has Aircon if that makes any difference. Thoughts please.

    IMG_20190802_101011.jpg

    IMG_20190802_103315.jpg
     
  2. detmatt

    detmatt Old Man with a Hat FCBO Gold Member

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    You have bought the wrong radiator. Where did you get it?
     
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  3. jct

    jct Senior Member FCBO Gold Member

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    Small block and big block radiators?
     
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  4. Big_John

    Big_John Illegitimi non carborundum FCBO Gold Member

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    Yep, bottom radiator is for a 1970 C-Body with 318. MyMopar.com - Radiator Specifications

    I'd say that the top radiator is incorrect for the application.

    I'll bet the top radiator is a CU332 Spectra which is for a big block (383 or 440) car. More Information for SPECTRA PREMIUM CU332

    I looked at the Spectra catalog online and they list the CU332 for a 318 car and that would explain the problem. They also list that rad for the big block cars.

    So... You have a couple choices. First and probably best is to have your existing radiator rebuilt. Since you are in the UK, I don't know what's available there. Second is you find a good used rad. That's getting harder and harder to do. Third is you talk to someone like @Ccas about an aluminum radiator. I don't care for the appearance of aluminum radiators personally, but the guys that have bought them seem to be happy. You can always paint it black if it matters to you.
     
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  5. ALLAN

    ALLAN New Member

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    only label on the box is PRO 332 Chrysler. It was supplied by a good UK supplier I've contacted them and am waiting a reply, they're getting ready for the Mopar Nationals this weekend,
    So the old rad (lower) is correct for a 318 C body with air con?
    unfortunately, like so many trades, there are very few rad centres around these days, not cost effective :/
     
  6. detmatt

    detmatt Old Man with a Hat FCBO Gold Member

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    Yes your old radiator is correct.
     
  7. GJS

    GJS Senior Member FCBO Gold Member

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    The top rad appears to be for a B or RB engine with A/C... doesn't appear to be the Spectra model as they have different shaped tanks than the OEM rads. Looks more like a re core to me.

    Either way, top one is for a big block A/C car. Bottom is for a small block and correct for your application.
     
  8. Big_John

    Big_John Illegitimi non carborundum FCBO Gold Member

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    I’ll bet PRO332 is a reboxed CU332 or at least they are sharing part numbers.
     
  9. Don A

    Don A New Member

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    Your radiator is correct for 1970. The replacement unit is for a '66-'72 big block... In 1970 the small block hose connections changed location although Spectra lists the interchange to be 1966- 1970. '66-'69 small block connections both on driver side. The '66-69 Fury, Polara, and New Yorker/New Port were the same units depending on width 22" vs 26". "72-'74 was the next grouping for interchange except in '73/'74 there was a bung in the top tank for sending unit.
    Don A (aka US Radiator)
     
    Last edited: Aug 7, 2019
  10. ALLAN

    ALLAN New Member

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    Supplier is struggling to find a replacement, offered a 22" or a refund ☺️. Managed to find an agricultural workshop that will re-core the original, but he's on holiday for a week
     
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  11. Fratzog

    Fratzog Old Man with a Hat

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    I'm in Grimsby Ontario Canada and own a 70 Polara convertible with 318 but no AC. Would like to see pics of your car. Small world.
     
  12. bajajoaquin

    bajajoaquin Senior Member

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    Just flip the picture and it will fit fine.
     
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  13. ALLAN

    ALLAN New Member

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    20191018_172539.jpg hey folks, sorry its been a while
     
  14. ALLAN

    ALLAN New Member

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    Finally figured out how to post a photo. It's on here somewhere