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I agree with the idea that the forum doesnt notify when an update happens.
I am cooling a 500 hp 6.2L motor in a Hummer H3. Even running a griffin dual radiator the core is still very small (21x20)...

Thats good to hear! When i spoke to them a few years back they had no idea what i meant (didnt help that i didnt know how to explain it either).
Im looking into the Zl1 fans now sincs it seems mine...

Has anyone contacted hptuners to ask them if a polarity option can be added to the tables? All is needed would be to reverse the polarity setting and bam!

Check 1:45 here...
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You can, google aurdino and you will find it possible. I researched into this and I realised im shit and its just easier to buy a 600 watt salvage C7 fan with a broken shroud (cheaper than a good...

I havent checked here for a very long time but I came back because my SS fan is having issues. I have the the SS 850W fan running puller and the C7 600Watt as a pusher, both using the same signal...

I remember reading the press release a few months back but havent found an oem application for it yet!
I just got both my puller and pusher fans pull the signal directly from the ecu, my prev setup...

Spal rates the 500 watt brushless fan at 2400 cfm zero static pressure so my best guess is 2600-2700 cfm (airflow increase isnt linear with power increase)

I thought no one would reply to this thread so I didnt follow up after a month but brent is right on the money. The after market uses different logic, almost the inverse of GM logic so I ended up on...

Anyone?

I am trying to control a SPAL brushless fan using an E67 ECU. I got the fan settings at PWM electric and frequency at 128 Hz. My problem is when I command a High duty cycle the fan goes to low speed...

I have an E67 on my H3 that I swapped efans to. I have a problem when the fan shuts off at around 40 mph the ECT start climbing to 240*. I realized that if I drive at 35 mph the ECT drops down as the...

The brushless fans from the cadillac srx are similar to the ones from the cts v/ vettes and newer camaros but the signal frequency they look for could be different (although i see no reason but I...