Originally Posted by y282

i used a dohc sierra rad and fans, was advised this is the right one to use. i bought an adjustable switch/temp sensor like the ones you get for kenlowes (the little brown box in front of the washer bottle) and had it wired in with a relay. i also had an override switch mounted to the dashto bring the fans in manually if i need to. The engine can get warm if it's driven hard then gets stuck in traffic, so it's nice to have the choice.