New SubZero Intercooler - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 05-27-2009, 04:06 PM Thread Starter
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New SubZero Intercooler

I just installed ATS Diesels new Sub Zero intercooler in my 2wd truck, thought I'd post up my thoughts. I'm really impressed with this I/C, very nice piece, dwarfs the stock unit. Works great too.





Here are some numbers for comparison. Stock I/C is 17" tall and 2" deep. ATS is 26" tall and 3" deep. The ATS cooler also has larger 3 1/2" pipe inlets, it came with all the new boots you'd need along with hose and fittings for re routing the trans cooler lines. The end tanks are huge, and have bracing throughout to keep them from blowing out. Quality looks top knotch. After comparing it with the stocker side by side, I was worried it wouldn't fit. But it did, just had to route the tranny cooler lines around the outside of the core support instead of through the inside. Doesn't look to be rubbing the radiator or a/c condenser anywhere. Only issue I can see is the drivers side i/c pipe doesn't line direct up with the inlet on the cooler. It's kind of crooked, the boot went on just fine, but I'm worried it might blow off, just have to see.

Stocker:
Cruising in Race Tune at 70mph @ 700-degrees EGT's. Rolled into it hard and ran wot up to 95mph, peaked at 1575-1600-degrees. Was just about to peg out the pyro when I let out of it at 100mph.

Sub Zero:
Cruising in Race Tune at 70mph @ 625-degrees EGT's. Rolled into it hard and ran wot up to 95mph, peaked at 1375-degrees. Hoovered there until 105mph.

It definitley works better than the stocker, noticeable difference on the gauge. Overall boost is about the same as well. Pretty happy with the results so far.

2002 LB7 Duramax
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post #2 of 13 Old 05-27-2009, 05:49 PM
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kind of looks like the Hypermax tapercore coolers..
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post #3 of 13 Old 05-27-2009, 05:58 PM
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that is huge compared to the stocker. if you dont mind me askin, what did that run ya?

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post #4 of 13 Old 05-27-2009, 06:00 PM Thread Starter
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They are $1395 direct from ATS, it's a nice cooler.

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post #5 of 13 Old 05-27-2009, 06:01 PM
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dang thats expensive. so you think it was really worth the money?

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post #6 of 13 Old 05-27-2009, 06:07 PM Thread Starter
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If it means keeping my pistons from cracking because of too much heat, you bet. I'd like to buy another one to put in my crew cab truck.

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post #7 of 13 Old 05-27-2009, 07:32 PM
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Am guessing the readings were from your stock 7.3 cooler ?

WOnder how it compares to a 6.0 cooler?


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Originally Posted by RockinJW View Post
I just installed ATS Diesels new Sub Zero intercooler in my 2wd truck, thought I'd post up my thoughts. I'm really impressed with this I/C, very nice piece, dwarfs the stock unit. Works great too.





Here are some numbers for comparison. Stock I/C is 17" tall and 2" deep. ATS is 26" tall and 3" deep. The ATS cooler also has larger 3 1/2" pipe inlets, it came with all the new boots you'd need along with hose and fittings for re routing the trans cooler lines. The end tanks are huge, and have bracing throughout to keep them from blowing out. Quality looks top knotch. After comparing it with the stocker side by side, I was worried it wouldn't fit. But it did, just had to route the tranny cooler lines around the outside of the core support instead of through the inside. Doesn't look to be rubbing the radiator or a/c condenser anywhere. Only issue I can see is the drivers side i/c pipe doesn't line direct up with the inlet on the cooler. It's kind of crooked, the boot went on just fine, but I'm worried it might blow off, just have to see.

Stocker:
Cruising in Race Tune at 70mph @ 700-degrees EGT's. Rolled into it hard and ran wot up to 95mph, peaked at 1575-1600-degrees. Was just about to peg out the pyro when I let out of it at 100mph.

Sub Zero:
Cruising in Race Tune at 70mph @ 625-degrees EGT's. Rolled into it hard and ran wot up to 95mph, peaked at 1375-degrees. Hoovered there until 105mph.

It definitley works better than the stocker, noticeable difference on the gauge. Overall boost is about the same as well. Pretty happy with the results so far.

2000 F350 4x4 crew DRW. 2007 front to be installed, transmission/radiator external filters, Tymar intake, John Wood valve body, 2008 tailgate/tow mirrors, dfuser mod's, Bilstein's, Walker muffler, guages, Zoodad mod...
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post #8 of 13 Old 05-27-2009, 07:46 PM
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hmmm i may have to think about this, my egts while towing can get a little high...
post #9 of 13 Old 05-27-2009, 07:50 PM Thread Starter
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Yeah, this was compared to the stock 7.3L cooler. This new intercooler from ATS is a well built piece, welds look great, fit was near perfect, doesn't touch or rub the radiator anywhere.

I won't ever tow with this truck, but based on what I've seen with it so far, I think it would help towing egt's quite a bit.

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post #10 of 13 Old 05-28-2009, 07:31 AM
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Great looking cooler!

2001 - 14" OUO 525 - 38x15.5x20 Toyo & 20x12 Weld Cheyenne's. Hybrids, 38R, BTS, Spearco, Terminators..



Quote of the Day:
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Originally Posted by Mannysouza View Post
You will get some axle wrap with a heavy trailer, I can feel it when towing my gooseneck with some heavy equipment. My Deavers will wrap enough to make the tires rub the front of the rear fender well if I give it too much throttle on aceleration.
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