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Thread: Aluminum radiator

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    Aluminum radiator

    I was wondering if anyone else has used the alum radiator that Russel used in his 65 with the 6 . I think it is a Mustang or Cougar radiator. My van is running a little hot hasnít gone over 210 yet but it hasnít been all that warm here in Western Pa yet. I am pretty sure itís a circulation issue . It goes up going up hills and when going down or no load on engine it goes back down. It does have complete bell pan , 160 thermostat and 13lb cap. I did a back flush the other day and didnít help much . I think the bottom is clogged. Thanks

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    This will sound really dumb but when I swapped the engine in my 108 I had to pull the radiator and when I had it out I stuck a hose in the top and just flushed it out until all the dirty brown rusty water came out, until it flowed out the bottom clear. I was afraid I was flushing out stuff that might be clogging small leaks ha ha! Anyway. once i had everything back together it does not leak and runs 185-190 all the time.

    The previous owner of my 1st Gen said the guy before him pulled the stock radiator and had it re-done with an extra row of tubes. It also runs at 185-190 and has no tunnel, and has no belly pan attached currently either. So yeah you might have a lot of crud in there, or worse yet in the block. I suppose you could remove your rad hoses and stick a garden hose in the block as well.

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    Quote Originally Posted by VanSandy View Post
    This will sound really dumb but when I swapped the engine in my 108 I had to pull the radiator and when I had it out I stuck a hose in the top and just flushed it out until all the dirty brown rusty water came out, until it flowed out the bottom clear. I was afraid I was flushing out stuff that might be clogging small leaks ha ha! Anyway. once i had everything back together it does not leak and runs 185-190 all the time.

    The previous owner of my 1st Gen said the guy before him pulled the stock radiator and had it re-done with an extra row of tubes. It also runs at 185-190 and has no tunnel, and has no belly pan attached currently either. So yeah you might have a lot of crud in there, or worse yet in the block. I suppose you could remove your rad hoses and stick a garden hose in the block as well.
    Nothing sounds dumb. I did back flush it the other day but with no chemicals. I called a radiator shop today and they told me between 200 to have it boiled out and around 600 to have it recored if boiling it out didnít work. Thatís why if I cane make this aluminum radiator work from eBay for $200.00 including shipping looks good.

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    VCVC Member jrinaman's Avatar
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    I am using that rad in mine. had to cut the flanges and make some brackets but fairly easy install.
    '64 chevy, 292 40 over, 206/526 cam, 2004r trans. 9.75:1, dual webbers, Langdon cast headers, 1.94 valves

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    VCVC Member Russ68's Avatar
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    I just put one in. Easy install minimal fab. Crossflow cradle modified 1-3/4Ē spacer on bottom of radiator
    1969 GE "90" Panel TH 350

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    Quote Originally Posted by jrinaman View Post
    I am using that rad in mine. had to cut the flanges and make some brackets but fairly easy install.
    Do you have to plug the bottom transmission holes if you have a manual? I havenít looked at how itís mounted in there yet, did you use regular angle iron for the brackets ? I know from having other GM trucks they used a rubber cradle bracket on bottom and top. I guess this is different. Did you have to cut much of the flanges ? Thanks

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    VCVC Member panelmanrd's Avatar
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    you won`t need to plug the trans cooler holes for a manual trans.
    54 chevy panel truck 355 tpi 700r4 325/9in
    64 chevy 90 5.7 tpi 700r4 336 8.2
    69 chevy panel van 5.7 tbi 700r4 336 8.2

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    VCVC Member Russ68's Avatar
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    I cut about 1 inch off of the top of the inner flange towards the fan I had a downflow radiator in my stash that was junk. The bracket that was soldered to the old downflow had fallen off. I used that as another bracket to mount to the new radiator, tacked that to the new radiator bracket. That gave me a top strap to wrap around the doghouse to support the upper portion of the radiator pm me youíre email address or cell phone for pics of my install for ideas
    1969 GE "90" Panel TH 350

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    I recently installed one in my '68 with 350 v8. Same mods for installation brackets. I had to cut the original fan shroud to fit, then cut it in half, so it could be easily installed last. Also made an air dam directing air up to the radiator (I have no belly pan). Also installed universal recovery tank. Runs 160-170 on the highway, 190 in traffic. Couldn't be happier.

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    Quote Originally Posted by flying brick View Post
    I recently installed one in my '68 with 350 v8. Same mods for installation brackets. I had to cut the original fan shroud to fit, then cut it in half, so it could be easily installed last. Also made an air dam directing air up to the radiator (I have no belly pan). Also installed universal recovery tank. Runs 160-170 on the highway, 190 in traffic. Couldn't be happier.
    Thatís good to here. I donít have a shroud but I do have a complete belly pan. Did you get the one on eBay for $200.00 including shipping for Mustage and Cougar ? I ordered mine yesterday. Thanks

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