Join Date: Oct 2018
Location: Cranbrook, BC, Canada
As Alfaparticle said, is the new fan a pusher fan or a sucker fan? Do you have the restrictor in the bypass hose? I think the restrictor is more for warm up but you might just be bypassing too much hot coolant. Just my two bits.
Carson, 4 Alfa's, 9 Cars, 4 Motorcycles