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Aluminum radiators and related topics

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Old 11-12-2017, 02:02 PM
  #81  
rogernison
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Originally Posted by Tom DeWitt View Post
The hardest part of this project would be removing the factory shroud, assuming you want to save it. Some guys just cut it in half and remove two pieces. If you go that route you will have the fans installed in about an hour. I would think the wiring would take more time than installing the fans.

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Will I need to upgrade my alternator or will the original work OK ?
Thanks! I have the original shroud out, in one piece, removed the lower piece the th upper piece thru the passenger side. The car has factory A/C

Last edited by rogernison; 11-12-2017 at 02:10 PM. Reason: Additional comment
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Old 11-12-2017, 07:29 PM
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Originally Posted by rogernison View Post
Will I need to upgrade my alternator or will the original work OK ?
I suggest a minimum of 65a for dual fans which is probably what the car came with so you could get away with what you have. I recommend 80-100a just to have little extra cushion
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Old 11-15-2017, 05:01 AM
  #83  
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Originally Posted by Corvette400hp View Post
I had a DeWitt 2 core radiator for the last 10 years. It never cooled either one of my motors small block and big block in the 180 to 190 range which is what I was hoping for. I'm hoping for different results with a Champion radiator.
I have a 454 BB with a DeWitts Heavy Duty radiator it works perfectly
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Old 01-16-2018, 03:18 PM
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So Dewitts for trim and polish, but it comes at a premium. Champion if you're on a budget. Both seem to get the job done. Is the black ice on the Dewitt's worth it?

I'm still making a wish list so I'm hoping for more info. Besides the obvious on electric fans vs mechanical with HP loss, cooling effects, electricity draw, what are some preferred combos? dual fan vice one? After reading the thread about cooling the interior of the C3, anyone have try a dual fan? One for the rad, one to circulate air to stop the car from turning into an oven?

And what about tranny coolers? I'm planning on keeping the tranny auto as I have the body of an 80 year old with knees that are held together with hopes and dreams so stick is slowly getting less fun in traffic. Heat kills transmissions and I'm hoping that can be touched in this thread. If it's covered elsewhere, I just need direction.

There's lots of threads on this forum and I've been doing a ton of researching instead of working and for the most part I'm much more educated than when I started.
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Old 05-21-2018, 08:11 PM
  #85  
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I got the Champion 2-row for my car. 75 ac coupe with a ZZ6 crate. I ordered it with their shroud and 16 SPAL hi perf fan which they offer as an upgrade. After some fiddling around with the brackets I ended up making custom phenolic block spacers for all 4 corners. It is solid as granite.

Also I tricked the relay controlling the fan into thinking the key is on all the time. If you shut the engine off when its toasty the fan will run until its cool.

Everything seems very well made and a fair deal. George at Ledfoot Racing has been very helpful with after sales support.






Detroit Speed headlight lift kit FTW !
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Old 06-17-2018, 10:42 AM
  #86  
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Originally Posted by croaker View Post

Champion Radiator in. 3 core . This temp was after 45 mile run 90 degree Louisiana heat and,5 minutes idling in driveway. No seals in .
What's that retaining bracket that is keeping your plastic shroud hugged tight to the rad? I have a 1972 and need something similar.


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Old 06-18-2018, 09:47 AM
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Stock piece.
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