Nathan
if the radiator cap is a pressure cap then the fluid can expand and open the
cap and escape to the reserve/overflow tank but when the engine cools down
the pressure cap seals the radiator not allowing the reverse to occur
regds Rob Hewitson
-----Original Message-----
From: NATHAN J RUFFCORN <NRUFFCORN@prodigy.net>
To: datsun list <datsun-roadsters@autox.team.net>; Robert Hewitson
<roberth@iaa.com.au>
Date: Wednesday, June 30, 1999 12:43 PM
Subject: Re: coolant reserve tank woes
>This applies to the 1600 setup only right? With the set up on my stock 69
>2L, should both caps be pressure caps and if so shouldn't the cap on the
>radiator have a higher pressure rating than the on the reserve tank.
>Thanks,
>Nathan (suddenly baffled)
>
>
>> is the cap on the radiator a pressure cap - because it shoudn't be - the
>cap
>> on the reserve tank is the pressure one - on the radiator it should be a
>> blank cap - if they are reversed or both pressure caps the coolant can
>> expand into the reserve tank but cannot return to the radiator as the
>system
>> cools down - hence a full reserve tank and lower radiator level ( it
>should
>> be full to overflowing)
>> regds Rob Hewitson
>>
>
>
>
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