Update on my hi-miler Z project - ZR-1 Net Registry Forums

mike100 · 03-03-2012

If the little return vent hose in the radiator fill reservoir is pissing a solid stream back into the tank, then you probably purged the big air bubble. Little air pockets will eventually vent out and upon cool down, the overflow coolant will be sucked in to fill the void. Just be sure to put an extra inch or so in the overflow and it will be ok.

Air locked LT5's don't cool at all. Still, I don't think I've ever seen more than 60% on my gauge, but maybe a scan tool to measure the actual coolant temp is in order. 210-ish would be expected.

03-03-2012	#10
mike100 Join Date: Feb 2011 Location: San Marcos CA Posts: 1,786	Re: Update on my hi-miler Z project If the little return vent hose in the radiator fill reservoir is pissing a solid stream back into the tank, then you probably purged the big air bubble. Little air pockets will eventually vent out and upon cool down, the overflow coolant will be sucked in to fill the void. Just be sure to put an extra inch or so in the overflow and it will be ok. Air locked LT5's don't cool at all. Still, I don't think I've ever seen more than 60% on my gauge, but maybe a scan tool to measure the actual coolant temp is in order. 210-ish would be expected.