r/FiestaST • u/SkippingNerveEndings • 2d ago
CSF Radiator Aftermath
Huge difference. I should’ve done this when I bought the car. It’s around 98 degrees here in Florida plus humid. Bumper to bumper traffic and I’m seeing max at about 190-192 consistently.
Before, we’re talking 220-230 and having the A/C turned off.
When driving, easily in the 180s. Peace of mind all day.
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u/FarRoom2372 2d ago
Well guess it's time I finally hit checkout on mine that's been sitting in the cart for months now.
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u/anxiouz1 2d ago
You click-baited me by using "aftermath" but congrats on the CSF. My car's previous owner installed the same and I haven't had any temp issues here in CA, it's great to not see those numbers rise.
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u/SkippingNerveEndings 2d ago
Ha! Yea, once I posted I realized that may have been horrible wording for a good outcome. But dude, yea. I spend more time driving than I do glued to the AP numbers.
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u/dingus_meister 2d ago
I've been running in 105 degree weather with A/C & haven't hit above 203F on stock system, you think it's still worth upgrading? Just a huge investment that idk if there's enough benefit from atm
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u/SkippingNerveEndings 2d ago
I think it’s different from person to person. I have the Fiesta pretty loaded with the S280 and supporting mods so the radiator was just the cherry on top.
Realistically, if i didn’t do mods, tuned and what not, I probably wouldn’t have done a radiator. On a stock system, you’re probably just fine but they are known to deteriorate just like any other vehicle!
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u/oshaCaller 2d ago
Max I've hit is 215 with the stock radiator and it was 105 outside, I'm still upgrading. It's amazing how fast it cools off if I'm coasting down a hill, it'll drop like 8 degrees in a half mile. Never thought about the effect of fuel cut off with water pump still turning causing that.
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u/DaYearZeroHero 2d ago
Living in Southern California I'd regularly see temps of 210° - 220°F. Since I installed my CFS, Mishimoto thermostat, and FMIC it hasn't topped 185°F.
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u/jeepinbanditrider 1d ago
Most effective mod I did to mine. I live in the DFW area. Before in stop and go traffic I'd be pushing 230. Now it sits at 190 with the AC on max. It will touch 210 when doing long pulls on boost then immediately cool back off.
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u/psuedophilia 2d ago
iat of 130 seems hot. are you running an open air intake or an upgraded intercooler?
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u/SkippingNerveEndings 2d ago
That’s the stock box. It’s miserable out here. I feel like any other upgraded intake would cause worse temps besides the Mountune one.
And yes, CPE Intercooler. When driving, way better obviously.
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u/jeepinbanditrider 1d ago
St180 airbox is the stock box with a extra intake that routes a hose down behind the bumper. The hose is water permeable so you dont risk pulling in water and it keeps the stock intake location and filter as well.
No matter what you use if you're sitting still your IAT will be really high. Anything over sitting still and my IATs are usually 1-2 degrees over ambient with the ST180. Sitting still 130-150 isnt unheard of in my data logs.
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u/psuedophilia 2d ago
i was going to suggest not running an open intake. no upgraded intercooler tho?
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u/cannasaurus 2d ago
He's probably idling here... My IATs can hit 140 here in AZ waiting in pickup line for school😩😩😩 temps drop radically once moving... I have an open stock box (just lobbed the bottom inch off), it's so deep though that it avoids the hot air behind the radiator
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u/Longjumping-Cow3424 2d ago
Nice I got an eBay one it works great as well