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Need Help Identifying This Big Block Radiator!

Discussion in 'Original Drivetrain Topic' started by TommyRS70, Aug 1, 2020.

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  1. Aug 1, 2020 #1
    TommyRS70

    TommyRS70 Veteran Member

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    Any information greatly appreciated. No other tag present. Thanks! 17523.jpeg 17521.jpeg 17519~2.jpeg 17520.jpeg 17553.jpeg 17552.jpeg 17521~2.jpeg
     
  2. Aug 1, 2020 #2
    tom3

    tom3 Veteran Member

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    I've seen that upturned lower outlet on a Corvette back in the 70s I think.
     
  3. Aug 1, 2020 #3
    TommyRS70

    TommyRS70 Veteran Member

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    Fella said it came out of a 70 Camaro BB.
     
  4. Aug 2, 2020 #4
    Dave Nelson

    Dave Nelson Veteran Member

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    Pretty sure the bottom outlet would be straight if it was from a 70 big block.
     
  5. Aug 2, 2020 #5
    ronzz572

    ronzz572 Veteran Member Lifetime Gold Member

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    Tommy if you wire brush the tag there should be a part number on the tag. Its is stamped in the tag flat section where it's attached to the radiator.
     
  6. Aug 2, 2020 #6
    TommyRS70

    TommyRS70 Veteran Member

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    Thanks Ron, will do!
     
  7. Aug 2, 2020 #7
    flowjoe

    flowjoe Moderator Staff Member Lifetime Gold Member

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    I’d say it looks like a late C-3 radiator but so far I haven’t been able to find a reference for the “PR” code on the tag.
     
  8. Aug 2, 2020 #8
    70lt1z28

    70lt1z28 Veteran Member Gold Member

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    With that filler neck it wouldn't have been on a 2nd gen Camaro. 2nd gens have to have an angled filler neck due to hood interference.
     
  9. Aug 2, 2020 #9
    TommyRS70

    TommyRS70 Veteran Member

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    Gotcha! Thanks guys
     
  10. Aug 2, 2020 #10
    flowjoe

    flowjoe Moderator Staff Member Lifetime Gold Member

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    Lifted this from one of the Corvette forums:
    “According to my 1980 Corvette Chassis and Body Parts Catalog, 3035558 was used in 78, but it carried the code "MJ", not "ML". The parts book lists part number 3035856 as radiator code "ML".

    Here's the breakdown of the radiator usage from 76-79, starting winth the 76 2nd design (the same radiators were used from 76-79).

    3035558
    1976 - 350, except hi-performance (L-82), 2nd design 76, code MK, 1 1/2" inlet.

    1976 - 350, w/hi-performance (L-82) w/o air conditioning, 2nd design 76, code MK, 1 1/2" inlet.

    77-79 - 350, except HD radiator, code MK & MJ, 1 1/2" inlet.

    77-78 - 350, w/air conditioning, except hi-performance (L-82), code MK, 1 1/2" inlet.

    3035856
    1976 - 350, w/hi-performance (L-82) & air conditioning, 2nd design 76, code ML, 1 1/2" inlet.

    77-79 - 350, w/spl hi-performance (L-82) & air conditioning, 1st design 1979, code ML, 1 1/2" inlet.

    77-79 - 350, w/HD radiator (V01), 1st design 1979, code ML, 1 1/2" inlet.

    3043087
    79 - 350, w/hi-performance (L-82) & air conditioning, 2nd design 79, code FW, 1 1/4" inlet.

    79 - 350, w/HD radiator (V01), 2nd design 79, code FW, 1 1/4" inlet.

    3043083
    79 - 350, except HD radiator (V01), codes FP & FR, 1 1/4" inlet. * This radiator doen't carry the note in the parts book, that it was 79 2nd design, but having the smaller 1 1/4" inlet, would make it a 79 2nd design radiator.”


    I haven’t found reference for ‘80-82 yet. Check the inlet diameter to see where it might fit on the timeline.
     
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