Take a look at an MG C for design ideas, but try to "weatherproof" the fan
better.
Peter C
----------------------------
> snip of MGA reference <
>On the other hand, the carburetors get deathly ill when they get
>overheated. Idling a hot engine for several minutes while standing still
>on a hot day can raise so much heat under the bonnet that the carbs go into
>vapor lock. Just turning off a hot engine and letting it soak in the heat
>of the exhaust manifold can produce the same results. The trick is to keep
>the carburetors cool, not the whole engine.
>
>To that end, you need to provide a flow of cool air around the carbs. If
>you try to do that by exhausting the hot air, you have to vent quite a lot
>of it in order to draw in sufficient cool air to displace it and lower the
>under bonnet temps. It would be much easier to direct a flow of cool air
>directly at the carbs and ignore the rest of the engine bay. The 4" air
>induction hose at that side of the radiator cowling is a vallient effort in
>that direction, but does little for cool air flow at low vehicle speeds or
>when standing still. A nice little fan about the size of a heatrt blower
>installed in that already existing air duct might do wonders for this
>problem. Could be worth a try.
>
>Barney Gaylord
>1958 MGA with an attitude
>
Peter Caldwell
MGC-GT , 100-4, '31 MM8 Cammy, Innocenti S,
'52 Champ, '60 L-R 109 SW, 3 '64-73 L-R 88's
nosimport@mailbag.com
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