Holes in airbox

[Sean Golding]

Was recently searching through the Audi Club UK
website when I came across an interesting article
about increasing performance, throttle response and
engine's musical note. The experimental car was a 20V
90 quattro.

The procedure involved drilling holes in the airbox -
at the front, the back and the side away from the
manifolds. According to this car's owner he has
noticed a difference in performance, but especially
throttle response. The down side for him is that his
20V 90 quattro uses much more fuel.

I have heard of this before but ignored it as a
one-off. However, coming across it again - maybe it
would be worth trying???

Has anyone tried this with success? What are the down
sides? Is there really any gain in power/torque? Why
more fuel consumption?

Any response would be appreciated.

Basil
Christchurch,
New Zealand.
clubvag at yahoo.com

Coupe GT, 200 quattro, 100LS, Golf GL

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