Most direct bolt on Cooling fans for GMT400?

[Zimmerly]

It seems like I'm always digging-up old threads.
I thought about the e-fan swap myself, but have no intentions of tuning my ECU.

● Has anyone used an add-on thermostat to control their fans, instead of pinning them to the ECU?
● What products do you recommend?
GMT800 fans with seperate t-stat unit?
Aftermarket fans/seperate t-stat unit?

Any info is much appreciated!
-Jacob

 

[lbeninger]

It seems like I'm always digging-up old threads.
I thought about the e-fan swap myself, but have no intentions of tuning my ECU.

● Has anyone used an add-on thermostat to control their fans, instead of pinning them to the ECU?
● What products do you recommend?
GMT800 fans with seperate t-stat unit?
Aftermarket fans/seperate t-stat unit?

Any info is much appreciated!
-Jacob

It's easier to pin it in and more reliable. In my opinion.

 

[Sean Buick 76]

I wouldn’t hesitate to use a universal fan relay kit like this:

Electric Fan Relay Kit Part No 30101

Painless Performance FAN-THOM electric fan relay kits were designed as inexpensive protection for your electric fans. These kits provide constant voltage, protect from voltage and amperage spikes, and keep your fan(s) from feeding back through the system. These fan relay kits are an absolute...

painlessperformance.com