I have an unusual problem on my 265. I purchased the car with a 4.3 chevy engine installed in it. The person who did the swap had the original 265 radiator modified. They added a regular radiator cap and fill neck to the side of the radiator, and removed the small fitting that is normally in the end tank of the radiator about half way down that goes to the remote coolant filler tank. The radiator cools the engine fine - but with the remote filler tank gone, I cant get the cooling system full - there is air trapped in the heater core (as it is higher up than the filler neck on the radiator). This prevents the heater from working at idle - i have to rev the engine up to get coolant flowing through the core again. I would like to reinstall the remote filler tank, but will need to change the radiator now since the fitting that goes to the remote tank is gone now.
A 260 radiator is hard to find, but I have access to several nice 240 radiators (and hoses and remote fill tanks/brackets) in the local you-pull-it yards. Whats the chance that a 4 cyl radiator would keep the 4.3 cool? It is smaller from what I can tell, But the 260 radiator seems to be way more than adequate. I am using a 2 speed electric fan from a taurus and on high it REALLY moves alot of air.
Should I try a 240 radiator??
A 260 radiator is hard to find, but I have access to several nice 240 radiators (and hoses and remote fill tanks/brackets) in the local you-pull-it yards. Whats the chance that a 4 cyl radiator would keep the 4.3 cool? It is smaller from what I can tell, But the 260 radiator seems to be way more than adequate. I am using a 2 speed electric fan from a taurus and on high it REALLY moves alot of air.
Should I try a 240 radiator??