Some track days (see www.race-speed.com) do performance testing - 1/4 mile straight line runs.

Personally, I'd be a bored just going in a straight line!

Cheers,

Paul.

Paul Haigh, Reg. 4120
(mk1) 6GB, Blue, 00254
(mk2) 12GB, Red, 00357
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Paul Haigh, Reg. 4120 (mk1) 6GB, Blue, 00254 (mk2) 12GB, Red, 00357