Matt Trebelhorn wrote:
>
> I would put it down to the first half of my comment -- I suggested
> that it might be incredibly hard to do, but you work you car, well,
> incredibly hard! And more power to you.
Thank you - that is one of the best wishes a person could offer. :-)
>
> Between the two of us, we have a couple of data points that start to
> answer the original question.
>
> I get no boil-over when lapping at 95F, with a redline of ~6400; or
> cruising at 110F.
> Eric gets boil-over when racing at 110F+, with a redline of 7000.
OK, so being on the track in 110F+ temps only happens once or twice a
year, and it would only see 6500+ revs momentarily, but I needed to show
that even a decently maintained car might drop some fluid. :-)
>
> So somewhere in there is a threshold -- where we might agree that a
> good car, used hard enough, will boil over.
Still she has behaved worse in slightly lower temperatures and I would
guess that was a fault somewhere and not the norm. When it gets to the
stage that the temp needle tries to break into the oil pressure, I still
manage to ignore it and get that last lap done and dusted. She may
throw her water when I stop in the paddock but she is still good to go
again within half an hour so is it really an issue.
Being used to seeing a bit of coolant on the ground I was amazed when I
let a young guy take my car for a spin on a very hot day and he and his
mates were horrified that she dropped a cupful of water when he brought
her back. he thought he had broken something!
Now enough - I have an alloy radiator to fit (and maybe a huge overflow
tank just in case)!
Eric
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