3/8th hose
Thread Starter
Melting Slicks
Joined: Apr 2001
Posts: 2,119
Likes: 213
From: Pittsburgh PA
3/8th hose
Is the 3/8th hose from the overflow tank to the radiator special? I bought some 3/8th from the parts store that is essentially fuel line. It's got the imbedded fiber braid, but it's not as beefy as the original hose.
I'll be driving the car a lot today and I don't want to find out the hard way that their is special 3/8ths heater hose that I need for this run.
I'll be driving the car a lot today and I don't want to find out the hard way that their is special 3/8ths heater hose that I need for this run.
Race Director
Joined: Nov 2000
Posts: 11,872
Likes: 12
From: Waterloo ontario Canada
That hose doesn't see pressure, it just moves water from the overflow to the tank and back under a slight vacuum. It does see heat but that is no big deal. Is it really 3/8th inch?? That seems big to be sliding over the little nipple on the overflow??
They don't clamp this hose to the overflow so the hose needs to be a tight fit.
They don't clamp this hose to the overflow so the hose needs to be a tight fit.
Thread Starter
Melting Slicks
Joined: Apr 2001
Posts: 2,119
Likes: 213
From: Pittsburgh PA
Norval--Thanks for the reply. There was a clamp on it, and I left the clamp on it. I just drove the car for about 2 hours, and no sign of trouble.
I would think there would be pressure, because the overflow tank has pressure at temperature.
I would think there would be pressure, because the overflow tank has pressure at temperature.
Le Mans Master
Joined: Apr 2000
Posts: 5,202
Likes: 10
From: cincinnati ohio
St. Jude Donor '09
You're talking about the hose from the rad to the expansion tank. That hose has cooling system pressure and good quality fuel line will work fine...Norval's "late" model has that new fangle system 
