radiator
you need to have the computer tuned for the e-fans to work.
1999 GMC Sierra SLE sc sb 4.8l 4L60E, Comp 1.75 roller rockers, graniaelli maf, garneaelli wires, Aem brute force intake, BBK 80mm tb, Nelson tune, 2/4 drop, Denali rims, custom grill, Denalli guages, Edelbrock IAS shocks, Tahoe E-fans, Nelson harness, and tune, McGaughy's 2" drop spindles, New matched coil springs, Air Lift rear lowerd air bag kit, Air Lift wireless remote
List of things to do
4.10 gears and a new posi, Lt headers, Cam, Heads, Intake,