Radiator Cap
Thread Starter
Instructor
Joined: Apr 2003
Posts: 144
Likes: 0
From: Neenah WI
Radiator Cap
OK another ? for the forum, what pressure cap are you running?
I have a 14lb cap that is either warn out or to low. I filled up my 4 core radiator and 400 miles later it is 1/2 full. Not going through the motor (that I can tell) prior to filling it the level never moved always was about 3/4 full. What I noticed when filling it is I only have a hose that drains to the ground for over flow. I am thinking that when the radiotor is full the cap is realesing to the overflow premiturly. I had noticed overflow one time but it looked like only 1/4 gal came out.
New 14lb cap or should I step up to a 20lb.
I have a 14lb cap that is either warn out or to low. I filled up my 4 core radiator and 400 miles later it is 1/2 full. Not going through the motor (that I can tell) prior to filling it the level never moved always was about 3/4 full. What I noticed when filling it is I only have a hose that drains to the ground for over flow. I am thinking that when the radiotor is full the cap is realesing to the overflow premiturly. I had noticed overflow one time but it looked like only 1/4 gal came out.
New 14lb cap or should I step up to a 20lb.
Team Owner
Joined: Jul 1999
Posts: 26,545
Likes: 46
From: Huntersville NC
Re: Radiator Cap (69Sting)
I finally found one that didn't leak (and it was not the GM AC/Delco replacement).
http://forums.corvetteforum.com/zerothread?id=595406
Also, install some kind of overflow catch/tank so your overflow doesnt get dumped onto the street..... or your driveway..... or your garage. MJ
http://forums.corvetteforum.com/zerothread?id=595406
Also, install some kind of overflow catch/tank so your overflow doesnt get dumped onto the street..... or your driveway..... or your garage. MJ
Melting Slicks
Joined: Jun 2001
Posts: 2,429
Likes: 14
From: CA
Re: Radiator Cap (MNJack)
I have an 18lb Stant on my car.
I have a pressure tester for my cooling system that will check the cap too. When I need a new cap, I will take my tester into the store and check the cap before I buy it. I went thru 5 caps in the store before I could find one that would hold pressure. The parts guy stood and watched in disbelief. :eek:
I have a pressure tester for my cooling system that will check the cap too. When I need a new cap, I will take my tester into the store and check the cap before I buy it. I went thru 5 caps in the store before I could find one that would hold pressure. The parts guy stood and watched in disbelief. :eek:
