On Jul 25, 2009, at 6:21 AM, Matthew Milkevitch wrote:
> Has anyone ever installed hood louvers in their MGB..
I sold a 1966 'B to a guy who did a lot of customization to the car
including punching louvers into the alloy bonnet. Although they looked
*really* nice, he later told me that they didn't do a whole lot to
lower the air temp. He experimented by taping small tufts of yarn at
different points on the louvers and then driving at various speeds,
and discovered that the last two louvers nearest the cowl actually
pulled air in rather than providing an exit for air. He had 8 or so
(can't remember) louvers stamped on each side near the outside edge of
the back of the bonnet, perhaps 8 or 10 inches from the cowl. Sort of
like on a Jaguar E-Type. He had them done by a local custom shop with
a louver punch and they did a very nice job. Perhaps the location of
the louvers would make more of a difference, but how would you
experiment? My old XKE had the louver patches on the bonnet and it
seemed that heat came roaring out of them. (especially the time the
electric radiator fan died!)
--
Rod Williams
Petaluma, California
1967 MGB
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