Don't second-guess factory hose sizes! On traditional muscle-car V8 engines, typically the lower radiator hose should be about 1438-inch larger than the top hose (for example, if the top hose ID ...

For our '67 Camaro, the radiator is a full aluminum crossflow design that is configured with both the inlet and the outlet hose connections on the passenger side to accommodate the LS engine.

GM has released an urgent service update offering a fix for 2024 GMC Sierra HD units with a coolant contamination issue related to their L5P turbodiesel engine.

Using hose clamps and a bit of 1 1/2-inch id hose, we then mocked in the first cut coming off of the water pump’s outlet to get an idea where to cut the second piece going into our AutoRad radiator.