Try using Grease on the Thermostat gasket. You will be pleased you did.
Pat
-----Original Message-----
From: Fred_Katz@ci.sf.ca.us <Fred_Katz@ci.sf.ca.us>
To: Pamela Pepoy <gppepoy@cybertrails.com>
Cc: Datsun Roadster Mailing list <datsun-roadsters@autox.team.net>
Date: Tuesday, May 01, 2001 2:25 PM
Subject: Re[2]: Cooling
>Catching up on my email for the last week and saw your post. Triple digit
>temps? We don't get that in SF. While in Solvang with it's about 65-70
>temperature I saw people from the central valley shivering in heavy
>jackets. Heck, 70 is balmy for San Francisco.
>
>But your car should be able to stand up to hi-temps. Before heading to
Solvang,
>I swapped out my thermostat for the change from winter to summer weather.
The
>old one was a higher temp, maybe 185 degree, without a relief hole. The new
one
>is a lower temp, perhaps 160 and has a relief hole about 1/8 to 3/16 inch
>diameter to allow water to pass thru when the engine is first started.
Doing
>this will allow your radiator to perform it's cooling work without waiting
for
>the thermostat to open up. Was already mentioned by others, but be sure you
have
>a much higher water content in the water/antifreeze-coolant mix, as the
water
>does all the cooling work. Oh, there's a small relief hole in the
thermostat
>housing so be sure it doesn't get blocked by the gasket or gasket-sealer.
Best
>thing is to apply a very small almost none amount of sealer. If any sealer
gets
>loose in your cooling system it can clog up your radiator.
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