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Checkout the last 5 pages of this thread out i used a 19in derale 6 blade fan (17919) and a (22160) usmw fan clutch and have had very good results in temp reduction at idle comparing head to head with the stock fan keep in mind you will need to modify your factory shroud to make sure it doesnt...

Im not sure what you’re asking?

I added a $30 Hayden power steering cooler today I used 3 1/2in rubberized clamps and some zip ties to mount it seems like the perfect little budget cooler!

It’s around 1/2-3/4 of an inch it hasn’t contacted anything so far it a derale 17919 fan and I’d say it similar in noise but a much higher arguably worse pitch it’s higher and more whiny but worth the performance improvement for me I also had to re drill the shroud to make sure it was centered...

Ok so I took out the 19in 6blade fan fan today to make some direct comparisons to the stock 5 blade fan I measured from 5 different areas in the grill using the same meter the 6 blade fan pulled a 1mph faster avg airflow than the 5 blade at idle 5.63mph to the 6 blades 6.58mph also during my...

Yeah my oem fan would have probably had my temps 10degrees warmer based on my experience. Maybe I’ll swap my fan again and get some speed measurements on the oem and see how it compares to the 19in derale

What’s your idle rpm?

Measure from top of grill slots also all my data is at a 720-750 rpm idle

Ok 1 hour of idling a heat soaked system now here is what I have 224 on the digital gauge 97f outside temp on the meter and 6.3 mph reading on grill opening

Sounds good to me let’s keep this scientific as possible guys I get that many of your jeeps cool fine but bring actual data to compare not just (my gauge say so) plug in a scanner read the actual temps tell us what your jeeps cooling system is don’t lie to try to make your look better that helps...

They use the same part numbers as Hayden they carry both. These are the wind speed numbers I got on the meter lmk what you think. I had the meter against the grill meter shows 97f as the temperature of ambient air those numbers were also pretty consistent across the whole grill from 5-6 mph...

Let’s just say I can change the damn things at record setting speeds 🤣 what failure did you have with yours? I had one leaking oil in the box when I went to go pick it up so I had them order a new one. Btw autozone by me (Chicago area) duralast brand is usmw 22160 oreillys uses Hayden clutches...

Let’s see I’ve tested Hayden 2771(hd) 2791(severe) usmw 22159(severe) and 22160 (hd) The US motor Works clutches, have functioned far superior to the hayden clutches that I’ve had for some reason those all failed in short order permanently locking on no matter what temp outside (4 different...

Just ordered something similar should be delivered in the next 5 hours once I get it, I’m going to take some measurements from the left, right and center of the grill 1-2inches away from it my AC will be on it’s max setting and the Jeep will be already at operating temperature to ensure the fan...

I’ve never had any issues with flake in my cooling system. I also have an 05-06 though so I will double check and I agree the head gasket definitely doesn’t make any sense but that’s all I have left at this point. What CFM meter do you have? I would like to buy one to compare airflow results...

Who knows maybe I have a cracked head or head gasket problem that’s the only thing I haven’t tried I’ve been chasing this for the last couple years my coolant isn’t disappearing though and nothing is mixing 🤷‍♂️

I can assure the radiator is not clogged (less than a month old) and fan clutch works properly (new one installed yesterday) I don’t have a meter but can definitely get one. What meter do you have? Also to properly test that we would need to replicate conditions as close as possible.

When I was in Moab I saw 240s on a 107 degree day also my temp are always stable until the ac is maxed out then the system heat soaks and climbs I have always seen this as an issue on my Tj? It always chalked down to not enough airflow at idle

Yes on a 90+ day idling with the ac on for extended periods of over 30min I could see temps over 230 I’m not talking about the gauge in the jeep it barely ticks over 210 at that temp also I have all new oem cooling components so not sure where all this extra heat is coming from but it’s...

Did some testing today at 85f with the 19in fan and usmw 22160 fan clutch after 45 mins of idling and the ac on full blast she topped out at 210! Massive improvement! so far this is looking promising! Tomorrow will be in the 90s I will post again with this results. Cheers!