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Converting A-A intercooler to A-W?

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Old Oct 5, 2018 | 08:40 AM
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Default Converting A-A intercooler to A-W?

I could be focusing on putting drag radials on this thing and running it at the track, but because I like to chase squirrels...this is the latest idea I am pondering.
I have a Treadstone intercooler shown below and it's in a good location and of course already paid for. I have access to free AL sheet and TIG welding as well as other components I would need to make an A-W system.
I believe the intercooler design would flow the claimed 1,000hp due to the design, but just looking to reduce my IAT's even further (already have meth/water inj).
Can I just weld covers over the exposed core (allowing clearance for water to flow across it) along with NPT bungs and use this same intercooler as an A/W? Not sure if there is anything fancy with A-W cores versus A-A and feel this modified A-A intercooler would work as well as if not better than a cheap offshore A-W intercooler....no? I would place the water fittings at opposite corners & sides of the core.


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Old Oct 5, 2018 | 11:06 AM
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I'd pressure test the core first. Be a shame to weld it all up, then have water leaks.

I've seen cores converted in a similar manner.
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Old Oct 5, 2018 | 12:05 PM
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I sanded all the weld down on one to flush and welded on one two inches sloped down to 1inch on both sides welded 10an fitting into it and also welded air bleeder wish we would have welded a shut off valve on both sides for when we tear it apart time to time but use a gauge and pressure test it with air at 2psi use soapy water check for leaks if it's good use water at about 4psi and watch for leaks its possible if your careful
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Old Oct 5, 2018 | 01:55 PM
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Purpose-built water-air cores have narrower passages on the water side and wider passages on the air side, because the water needs less surface area than air to transfer heat effectively. With wider air passages, a purpose-built water-air core can flow better than an air-air core of the same size. You won't be getting any of those benefits, but as others have said, you can weld it up and it will work.
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Old Oct 5, 2018 | 05:14 PM
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Would it still be in front of the radiator? I am all about stuff like this, but all that screwing around, I would just get an air water cooler, cheapo or not.
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Old Oct 5, 2018 | 06:56 PM
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Thanks for the responses. Duh, didn't think about pressure testing it now before I weld..good idea.
Yes it would still be in front of the radiator but I could change things up to favor the air to the radiator vs the intercooler as I have it now (ducting change).
I like things hidden and out of the way so if I got an A/W cooler, it would likely go in the same spot. I may be able to shoehorn one in the pass fender but I'd need to mock that up before purchasing.
If I kept the same location but bought an A/W cooler, I would alter the positioning to not block the radiator as much.

Good idea on the drain valves. Where I would put the "in" water supply would be the lowest point so hopefully that would suffice for a drain after pulling the hose off.

I didn't know the core size/bias was different but that does make sense. Supposedly this intercooler only has a 1.5psi pressure drop at 1,000hp...whatever that actually means in the real world lol.

Off to chasing squirrels again I guess. Any additional input is welcome though.
Thanks guys.
-Jrod
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