[TR] Radiator Cap Pressure Rating

[wbeech]

The cap doesn't make it run hotter or cooler, it just raises the boiling
point of your coolant and thus keep the car from boiling over when too hot.
The thermostat regulates the temperature of the coolant along with the
radiator and fan.

Be careful increasing the capacity of the cap, if it doesn't allow you
overheated engine to boil over, you could burst a hose or worse.

Bill B
'58 TR-3A TS/30766 L (rolling restoration)
"A bad day in your TR just gives you license to go shopping on-line again!"


 

-----Original Message-----
From: triumphs-bounces+wbeech=flash.net at autox.team.net
[mailto:triumphs-bounces+wbeech=flash.net at autox.team.net] On Behalf Of Bob
Danielson
Sent: Monday, August 13, 2007 6:38 PM
To: triumphs at autox.team.net; 6pack at autox.team.net
Subject: [TR] Radiator Cap Pressure Rating

While poking through the 6-Pack forums, I saw a post on the impact of
radiator caps and thermostats on cooling the car. I understand the
thermostat impact but what does the radiator cap do cooling wise? It somehow
raises or lowers the boiling point? I checked and my car has a 4 lb cap
while Moss & TRF state that a 13 lb cap is needed for my model year. Does
the 4 lb cap make the car run hotter or cooler?

Thanks
Bob

Bob Danielson
1975 TR6 CF38503U
Running w/ Throttle Body Injection
http://tr6.danielsonfamily.org 


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