> The Moss catalogue lists the radiator cap as 7 lbs. which is what's on my
> car. The workshop manual under specs in the cooling system
> section says that
> normal pressure is 3-1/4 to 4-1/4. Is there a discrepancy here or am I
> missing something?
> Is it possible to use a cap of lower pressure?
Gee, Ray, this didn't show up on the Yahoo list !?!
<g>
The 7 psi cap is for the TR4, TR2/3 used a 4 psi cap. Moss' on-line catalog
lists both of them : 834-800 is the 4#, @ $4.95.
The 7# will work fine, and possibly even improve cooling (plus allow more
margin before the coolant boils), but if your heater core is on it's last
legs, it may not handle the increased pressure.
Randall
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