Pat's advice is excellent, and what I did to resolve my cap problem
(temporarily). Dean also sells just the cap gasket:
<http://www.datsunparts.com/1276>
Pete
-----Original Message-----
From: datsun-roadsters-bounces+ppeters914=comcast.net@autox.team.net
[mailto:datsun-roadsters-bounces+ppeters914=comcast.net@autox.team.net] On
Behalf Of Pat Horne
Sent: Saturday, August 18, 2007 6:00 AM
To: Michael Knorr
Cc: datsun-roadsters@autox.team.net
Subject: Re: [Roadsters] Radiator cap question
Michael,
That cap can be repaired if the metal is in good shape. That cap has no
pressure rating, just a flat cap with a sheet of rubber in it to seal off
the tower. Find a sheet of thick rubber gasket material and cut a piece to
fit. I did this to my cap quite a few years ago and it hasn't leaked since.
If you can't find sheet gasket material, check around for a radiator cap or
gas cap that you can get a large enough piece of material out of to make the
seal. It doesn't have to cover the whole cap, just around the edge where it
seals to the neck.
Also, look closely at the sealing surface on the neck. They get rough, which
causes damage to the gasket, as well as allows small spaces for leakage. If
it is rough, take the neck off and carefully rub it on a piece of fine sand
paper on a flat surface. Don't go overboard, just enough to get a good seal.
Good luck.
Peace,
Pat
Thusly spake Michael Knorr:
> Can someone tell me what type of radiator cap a (low windshield) 1600
uses?
> Such as how many lbs. of pressure, suggested brand of cap, etc. My old cap
> has finally given up the ghost. I don't mean the "push-button" cap on the
> overflow canister, but the cap that sits just in front of the cylinder
head.
> Thanks!
>
> Regards, Michael Knorr
> 1966 SPL311-03639
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