What I should have said was that the cap was working properly because it was
releasing at around 212 degrees, but this is only after the car is shut down and
is sitting there getting hotter. It does not pee antifreeze at 212F while it
is
running. I am also running a 25 percent antifreeze solution with Watter Wetter.
Mike MacLean Supercharged and Overheating 60 Sprite
David N Waldmann wrote:
> Pardon me if I'm wrong, but this doesn't seem like what I have traditionally
> seen/heard of as an "overheating" problem. Yes, you are running hot, but
> your system should not be boiling over at 212 degrees. With a 50/50 mix and
> a 15# pressure cap you should not have boiling until way past 250 degrees
> (268 if memory serves correct).
>
> It seems to me that you have two problems.
>
> 1. Your engine is running hotter than it should (BTW, 212 doesn't seem all
> that hot to me - enough to be concerned about but not debilitating). All the
> posts about the extra ring, solid skirt, lean fuel mixture (possibly caused
> by assorted other opinions), insufficient air flow, etc etc may well be
> causing that.
>
> 2. Your cooling system is not working properly. I know you said your cap
> seem to be working fine, but if it's releasing at 212 degrees _something's_
> not right beyond the temperature. Don't miss the forest because of the
> trees.
>
> <dnw>
> 1972 Midget
> 1998 Safari
> 1999 9-3
> 1964 (Me)
>
> ----- Original Message -----
> From: "Mike MacLean" <macleans@earthlink.net>
> To: "Robert E. Shlafer" <PilotRob@webtv.net>
> Cc: <Ankitterer@aol.com>; <spridgets@autox.team.net>
> Sent: Wednesday, September 26, 2001 10:18 PM
> Subject: Re: "Oil Pressure" & "old" overheating problem
>
> > Bob,
> > Let me tackle your questions one at a time. I don't think the temp
> gauge is
> > out of calibration, I checked it before installing by dipping the probe in
> > boiling water. (read 212F) The radiator cap seems to be working correctly
> also.
> > When I stop the car and the temp gauge reads 212, the cap will release
> water
> > through the overflow tube and I will lose about a half inch of water from
> the
> > radiator. The capillary tube is not touching anything in the engine
> compartment
> > except the inner fender well that it is fastened to.
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