Air box with filter.

Twin SUs move a lot of air, but there’s not a lot of room for a decent air filter. The factory pancake filters are a bit undersized, aftermarket oiled foam filters are often worse, and, while K&N filters have a bolt-on appeal, I don’t really trust them. Their marketing seems a bit snake-oily.

Plenty of other cars use disposable paper air filters, I’m sure I can find something common that will fit…

Oh look. It’s a filter from a 2.5 litre V6 Nissan Cefiro, also used on various other models. I wonder if it’ll fit…

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That counts as fitting to me. Time to start designing the housing using CAD (Cardboard Aided Design).

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And now translate it to steel:

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The lid is a little more involved, since it has to clear all sorts of somewhat important things. No worries though…

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A cold air intake from the wing, a lick of paint, a Leyland sticker of dubious authenticity, and we’re done!

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(Ok, so that actually took 5 months from beginning to end. Here’s what it looked like for a while:
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Not pictured here: building a new kitchen, landscaping the garden, various other things that had been put off for too long.)

1 thought on “Air box with filter.

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