Has any one played with plates above the radiator so when stopped in
trafic the hot air dose not flow back over the slam panel and into the
rad again?
Simon
Paul Hunt wrote:
> When I had marginal cooling on my factory V8 I purchased a '25%
> uprated' but otherwise identical radiator. I was disappointed with
> how little difference it made. But thinking about it each row you add
> suffers from the law of diminishing returns i.e. the 4th row has air
> blowing over it which has already been heated by the previous three
> rows and so picks up relatively little additional heat. Also with
> staggered rows each row adds more and more restriction to air flow,
> which reduces heat transfer even more. Modern aluminium rads tend to
> be single flat row, very thin so you can get a lot of them in the
> space, but the spaces are clear allowing freer air flow, i.e. the
> opposite theory. I do agree that individual tubes one behind the
> other will be less effective in heat transfer than staggered tubes.
>
> What made the biggest difference on my V8 was going through the
> electrics to the twin fans cleaning up the connections, adding
> additional local grounds at the bonnet slam panel for each fan, and
> providing a fused 12v supply direct from the spare spade on the
> alternator to the relay (which is controlled by the thermo switch).
>
> PaulH.
>
> ----- Original Message -----
>> Interesting point about the "less heavy density" rad.
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