[Tigers] BMR radiator

[michael king]

Hey Owain,

Not sure about the BMR, but the Dales ones were actually Fluidyne
radiators.

The Griffin ones were a separate company and IIRC had the glued together
cores.

I hear different things about evans.. one of the things i have heard is
that the coolant runs hotter, but that it doesn't boil, so i guess to ask:
Apart from it registering physically hotter, was it suffering any adverse
effects?
Did it start vaporising the fuel?
Did it start running rough?
Did it puke the coolant?



On Fri, 2 Jul 2021 at 17:54, Owain Lloyd via Tigers <tigers at autox.team.net>
wrote:

> Last year my Dale A (Griffin?) radiator cracked and I replaced it with
> this one from BMR in the UK:
>
>
> https://www.motorsportradiators.co.uk/store/Sunbeam-Tiger-Aluminium-Radiator-p146886570
>
> Not really used the car since except a couple of short trips.
>
> This week I was going to take the tiger out for a run over some mountain
> passes but after about 30 minutes, no traffic, it was running at well over
> 100C / ~230F.  I returned home and checked everything over.
>
> 1. Full of fresh Evans waterless coolant.
> 2. gauge is mechanical
> 3. horn holes blocked, along with gap between rad and crossmember.
> 4. fan shroud in place with 13" flex fan on water pump hub.
> 5. doesn't overheat at idle even when left running for 30 minutes.
>
> I've NEVER had a problem with overheating at speed before.  the only
> issues I had were at idle or in traffic / slow speed but even those had
> been solved by all the above.  engine is a 490hp 347, but wasn't a problem
> before.
>
> everything is pointing at the BMR radiator just being a bit crap and not
> doing as good a job as the Dale rad.  anyone running one of these?
>
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-- 
Regards

Michael King
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