Radiator: CSF or Mishimoto?

theDreamer

I would imagine many of the racing teams have custom radiators with completely different thermostats than ours to optimize their track performance and reliability.

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Chuck33079

Anything Mishimoto has a high likelihood of giving you an issue. I used one of their radiators, and it fit terribly and the welds were horrendous. At least it held water. They'll come on here and say that their stuff is great and post a slick video, but you're rolling the dice. Besides outsourcing their production to [REDACTED], their quality control is godawful. Some people will get an acceptable part. Others (like one member here) have their thermostat fail in 6k miles.

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ChrisSlicks

Both manufacturers products are made in China, but who you chose as the production partner means a lot I suppose.

I ended up installing the Mishimoto a month or so ago and track tested it, so far so good. The welds were clean, perhaps not the prettiest but then aluminum is difficult to weld. Water temperatures on track were lower and it held up under pressure which is all I cared about.

If I wanted the best I would go with PWR/Nismo (Australia) or GTM (outsourced to US producer), but these options are at least double the price and a lot harder to install, so maybe down the road if budget allows. Doran uses the PWR/Nismo unit.

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CSF Inc.

Our radiators are not manufactured in China, and we do not have an external production partner. We own and operate our own facotories. All of the R&D is done in-house, and we also have many OE clients around the world...

Just wanted to clear-up any misunderstandings people have about CSF.

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Ravi Dolwani
CSF Racing & High Performance - Manager

clintfocus

Oh yeah, to contribute, i have a CSF rad, and the Nismo 34 row oil cooler with custom shrouding.

ChrisSlicks

I stand corrected, thanks for the clarification.

Can you tell us where the CSF radiators are manufactured?

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Rusty

Alot of race motors don't use a thermostat. Instead, they use an orfice plate. Change the diameter of the orfice, and you change the temperature of the motor. Food for thought.

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theDreamer

Good to know, thanks!

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Mishimoto

Our A/C condenser is also removable.

I am sorry that you had a bad experience with our products. Could you send me a PM with more information about your issues, as I would like to learn more about the situation. We are always very interested in customer feedback and don't want to have any unsatisfied customers.

In regards to our products, we have many satisfied customers and a very high standard of quality control. We have our own production office in China where our design implementations are overseen, as well as our strict quality control takes place. We would not be able to offer a lifetime warranty on our products if they were not quality products.

CSF makes quality products and deserves their reputation. But our difference in design does not mean an inferior product. All of our products are designed and engineered by our team of engineers here in Delaware. We test our products for fitment and performance to ensure that our customers are getting the highest quality product and will be 100% satisfied. We have engineering reports backing up our products, with testing data proving significant temperature drops. We would not design a radiator that was not effective or efficient. Feel free to check out the engineering report for our 370Z radiator which shows a 40 degree temp. drop, at the link below.

http://lib.store.yahoo.net/lib/yhst-...ringReport.pdf

I would be happy to answer any questions or concerns about our products or our company.

Thanks,
Tyler

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Mishimoto Automotive

Chuck33079

PM'd

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phunk

Anyone tried to see if a DE thermostat fits? NISMO makes a DE thermostat... could always just use that one if it fits.

If youre worried about the extra port on the DE one, dont... On my DE, when I ditched the oil/water exchanger, I pulled that port right out, ran a NPT tap in there, and put a plug in it that was surface flush and looked like it came that way.

whos gonna order one and see if it fits?!?!

or even if the housing doesnt bolt up, you could probably just unscrew the thermostat itself from the nismo DE housing and put it in the VHR housing.

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Mr.Squeeze

Mishimoto hands down over the CSF raditor it's not even close. Over the past few days I been testing the Mishimoto radiator in some of the same codintions as the CSF and I will tell you its a night and day differnce .

All the testing I've done with both radiators has been with Uprev because the stock gauge is pretty much useless for this type of testing. The stock gauge has a normal operating temperature of about 160 degrees and doesn move one dot tell above 220 witch is hot .

Yesterday it was 80 degrees outside during the day when I decided to take the car out for some pulls. I started out at 181 degree coolant temperature and did 3 back to back pulls with about 20 seconds or so for between pulls due to space . The first pull was to 120 MPH coolant went up to 186 next pull was to 140 MPH 190 coolant temp. Now the last pull I had a good bit of room and did a pull to 160MPH . After all this my coolant temperature went up to 208 degrees and then came down quick to about 190. The recovery on this radiator is night and day compared to the CSF. Once I pulled over and for off the highway let the car sit for less than 5 minutes my coolant temperature went down to 177 .

Now in these same type of conditions the CSF unit would have been well over 220 and would take much longer to come down in temperature.

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DR_

Well I am not happy with my results with the Mishimoto radiator after getting over 240 degree temps this weekend at the track. The ambiant temps got up to close to 100 but even in the morning when temps were in the 80's it still got too hot. I even went so far as to drain most of the radiator and add back just water and water wetter (estimate 75/25 water/coolant) and that didn't really help. If I slowed down for half a lap the temps would go back down to 220 pretty quickly but that is still too high IMO. My stock radiator got up to 235 temps in similar condition, which was why I went with he Mishimoto. There is no doubt that Mishimoto should be much better than stock but I am starting to thing the condenser is the limiting factor.

Mr.Squeeze

When I had the CSF the water wetter and more water didn't help me either, so when I made the switch to the Mishimoto I didn't even bother. To be 100% truthful I wouldn't track my car with either of these radiators. My testing with the Mishimoto is on standby for now I blew up my transmission power shifting with my OS Giken Triple Disc.

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O&G

I run the CSF radiator w/ a Comp oil-less turbo which uses coolant to cool the turbo. I also live in Texas where ambient temps can get to 95 plus everyday through summer. At full throttle, 11psi of boost my temps would peg 215 - 225 on hot days, and quickly fall to 200 after letting off the throttle. A typical drive in the Z would be 200 miles plus through the hill country, it is not my DD. I have not tracked the car, but I have beaten on her pretty good. I'm satisfied and am looking to upgrade the fans in the future.

*edit: I use the Greddy Informeter to log temps and peak temps. I never did a comparison vs the stock radiator or any other.

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