In a message dated 10/23/2005 5:01:45 PM Central Standard Time,
jar@aldermanroad.net writes:
> Triumph always used a front-side shroud on the TR-2s and -3. They used
> a back-side shroud on the -4s and 6s. Both simply formed an "air
> tunnel" so that all the air flow went through the whole radiator, not
> just the space covered by the fan.
Really? I've never seen one on a TR4 or 6.
>
> Other manufacturers, such as BMW use backside shrouds that only allow
> air through the cross section of the fans. From experience, I can tell
> you that if you leave this out, you better have a good, strong auxiliary
> fan when the weather is hot, or driving is slow!
The TR8 has such a shroud as well. Better than no shroud but not as good as
the one in the link Hoyt provided. But these are much easier to fabricate.
I've done a couple myself.
Dave
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