Quote:
Originally Posted by Simon D
We could have a dual-set up in that - as you suggest - allowing the airbox to take air from under the bonnet during winter would be a good preventative measure and then during the summer months allowing a better cold-air feed into the filter box simply by moving some piping around in the engine bay. You could, perhaps, set up a switchable pipe using some sort of valve thingy.
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Didn't this used to be normal on a lot of cars (BMC inline A-Series - A35, minor, A40 etc), you just had to turn the air filter "spout" thingy through 90 degs ish so it pointed to the grille in summer, and to the engine in winter?
Malcolm