I agree with Gary's opinion. Even with hard driving, I never had a problem
with the stock radiator in my 67.5 Solex. Even in my early racing days had
sufficient cooling. Only after I stepped it up quite a bit did I encounter
overheating. But that was a doosy, actually melted tracks in the head on two
cylinders between the combustion chamber and water passages at a race at
Bridgehampton. Even then, if I backed off just a bit the temp would come
down; but I was really pushing it...battling for the overall lead with BP
small block Vette. Needless to say, along with the new head came a custom
radiator. BTW, that old rare non-smog head has served well as a wheel chock
for many years.
-----Original Message-----
From: datsun-roadsters-bounces@autox.team.net
[mailto:datsun-roadsters-bounces@autox.team.net] On Behalf Of Gary and Cindy
Ault
Sent: Wednesday, April 13, 2011 11:59 PM
To: Charles Kyle; datsun-roadsters@autox.team.net
Subject: Re: [Roadsters] Which radiator should I use
Chuck,
Gary's opinion:
A properly functioning factory radiator, combined with a 1600 or 2000
roadster properly equipped with pre-emissions ignition parts and set to
pre-emission specifications, will provide sufficient cooling under most all
circumstances. I believe it is generally less expensive to find and fix
whatever underlying problem is causing the overheating than it is to start
installing aftermarket parts.
I took my original car, a '66 1600/U20, through summer heat in the
California and Arizona deserts without overheating back in the '70s. In
2008, I drove my (newly-purchased) '67-1/2 2000 through stop-and-go traffic
in downtown LA in the summer heat, and it never went over 190F.
I think Nissan generally knew what they were doing.
I am sure the foregoing will spark plenty of controversy.
Gary
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