Need Help Cooling Issue

[camptroll]

ok hi I'm new here. this is my first post but i been lurking for a wile

here's what i got going on. i have a 90 fox gt. the car hasn't been able to cool it self. it does fine for a wile then once heat builds it just keeps going. the car will stay cool for a wile at idle.

the motor and harness was a loner from a friend. the car it was in was wrecked in the front. my 90 gt currently has a speed density set up from that 87.

i have new tstat, water pump, radiator and new hoses, electric fan. i fixed the sagging bumper that blocked the air dam. compression test was 160 across all.

engine is a 302 with gt40 3 bar heads mild porting and milled. gt40 intake, under drive pulley, windage tray crank scrapper. this engine never heat up in the previous car.

so im stuck right now. any help would be welcome.

 

[smkshw]

maybe air in the system?....is it same rad from other car?

 

[squeak93]

+1 on air in the system. Do you have a 3g alt to support the fan? (if not, do you at least have the stock pulley on the alt so it will make some sort of amps?)

 

[camptroll]

rad is new. yes stock pulley . how can i get this air out of the system.

 

[mikestang63]

Google lisle radiator funnel. Make sure all your hose clamps are tight.