How much coolant?

[LTL4life]

sorry for the stupid question, just finished putting back the heater box in. I initially drained the radiator(alum.aftermarket, size unknown) Coolant looked decent but want to go put new stuff in. How much do i need to get to be on the safe side? thanks in advance.

 

[jw0747]

for 50/50 mix usually about a gallon of antifreeze and a gallon of h2o or until the radiator is full after the thermostat opens.

 

[Broncobowsher]

It will probably take about 4 gallons if completely empty. Exact amount is unknown, what remains left in the engine, did you pull the lower hose and mostly empty it or just what ran out of the heater hoses?

 

[LTL4life]

I drained the radiator overnite. Then when i disconnected the heater hoses not much came out. Not much in the core either. Took just about 2 gallons to fill. Idled for 1/2 hour then drove it for a short Level was fine, couldnt believe the amount of heat the stock heater puts out. Thanks for the replies.