Efan upgrade quick question
 

Ok I have a quick question for you guys.
03 silverado . Want to do Efan upgrade with Nelson harness and ls1 fans.
Note : I have 28" radiator .
Found a deal on harmess so my question is will any ls1 fan work?
Or only fbody?

For example c5 ls1 fan?
Pontiac gto ls1 fan?
Reason I ask is because I have access to a c5 ls1 fan..

And help would be appreciated .

They'll fit perfect.

Thanks man I actually found a pair off a gto . So being a few years newer then any fbody is good.

I used aftermarket stuff and hardwired. I know there's a stigma about switches.