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    Author Topic: rad size  (Read 1778 times)

    Offline 300

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    • Posts: 284
    • 69 chevelle,67chevelle , 70 barracuda
    rad size
    « on: January 26, 2008 - 09:13:22 AM »
    Hello  I have a 70 cuda org 318 car. i,m putting in a 340, what size rad was in each 22" 26" What is the measurement on the rad saddle (width)  rough opening, That is for each, i know that if you go to a 26 you can get rad panel ex. Thanks
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    Offline hemiken

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    • Posts: 8785
    • Hemi-fied Mopar in Australia
    Re: rad size
    « Reply #1 on: January 26, 2008 - 09:17:27 AM »
    The radiator sizes have a lot to do weather the car had Air conditioning as well as engine, more so A/C.  All you can really do is exactly what you already know by the sounds of things.  Measure the opening and if it is 22" you can remove thay side and fit in the new 26" panel for the conversion. :2thumbs:
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    1970 Barracuda   (O^--^===|===^--^O)
    1971 Barracuda   (O O {]{]{]|[}[}[} O O)
    1970 Challenger  (O O [======R/T=] O O)
    1971 Challenger  (O O ===== ===== O O)
    I pay homage to the best Mopars ever built.

    Offline 300

    • Jr. Member
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    • Posts: 284
    • 69 chevelle,67chevelle , 70 barracuda
    Re: rad size
    « Reply #2 on: January 26, 2008 - 10:25:41 AM »
    Thanks no A/c  Manual 340  I could get a good 3 core rad.? I measured the opening 22 in" I guess this is for a 22" in rad
    « Last Edit: January 26, 2008 - 10:43:02 AM by 300 »
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    Offline Moparal

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    Re: rad size
    « Reply #3 on: January 26, 2008 - 11:31:41 AM »
    My 70 came with a 318 4 speed. 22" radiator 2 row. I put a fresh 440-6 in it and a 70 383 4 speed 22" radiator in it but got a new 3 row for the tanks. It doesn't over heat at all, but everything is fresh and new.
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    Offline common 27

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    • Posts: 254
    Re: rad size
    « Reply #4 on: January 26, 2008 - 05:23:14 PM »
      What does 'remove thay side and fit in the new panel' mean?
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    1970  Challenger Convertible   1968 Satellite Convertible

    Offline Moparal

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    • Posts: 13085
    Re: rad size
    « Reply #5 on: January 26, 2008 - 05:37:35 PM »
    They make a new radiator side support that converts 22" into a 26"  radiator opening...welding required :2thumbs:
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    Offline FJ5_440

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    • Posts: 879
    • Wisconsin
    Re: rad size
    « Reply #6 on: January 26, 2008 - 08:53:36 PM »
    It is good to see the radiator support conversion pieces.  That seems much easier than the old method of transplanting in a 26" rad support from a wrecked car.
    Definitely cheaper too.
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    ** Shane **

    Offline common 27

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    • Posts: 254
    Re: rad size
    « Reply #7 on: January 26, 2008 - 09:36:56 PM »
      Where can we find this part and what does it consist of to change? Just remove spot welds and reweld in the new piece? Does that also cause the radiator to be offset the 4 inches?
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    1970  Challenger Convertible   1968 Satellite Convertible

    Offline cudabob496

    • Sr. Resident
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    • Posts: 8024
    Re: rad size
    « Reply #8 on: January 26, 2008 - 10:22:37 PM »
    I'd stick in a generic aluminum from Summit. I have one from Howe that cost me about $250 for my 496. Rarely have to turn on the electric fan.
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    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline 74 340 4speed

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    • Posts: 481
    Re: rad size
    « Reply #9 on: January 29, 2008 - 01:20:26 AM »
    My car still has the 22" rad opening too.  I got a custom built aluminum radiator from mancini racing, and it is awesome.  The car has a built 340 and has never gone over 180*, even when idling for extended durations of time, or when cruising along at 4,000 rpm.  I have a 4.10 gear, so that still isn't very fast, lol.    I have no shroud and am using a mopar performance viscous clutch fan package and water pump.

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    Andy
    1967 Camaro SS: 406 sbc 505 hp/506 ft lbs|4 speed|Posi|3.73s
    1969 C/10  350|Turbo 350
    1969 Dodge D300 318|4 speed|Dana|4.88s
    1972Nova: 350|Turbo 350
    1974 'Cuda: 340|4 speed|Dana 60|4.10s|posi
    1999 Camaro SS: Auto|Longtube Headers|True Duals|TT2s
    2013 Challenger R/T: 6 speed|Hurst with pistol grip|mopar performance exhaust|super track pak

    Offline ted

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    • Posts: 1043
    • 74 cuda, 70 challenger r/t
    Re: rad size
    « Reply #10 on: January 29, 2008 - 01:26:41 PM »
    non a/c 383s came with a 22" unless it has the max cooling option.
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    74 cuda, 70 challenger r/t
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