CLASS WAR­FARE

Street Machine - - Seven Ups -

DRAG Chal­lenge en­trants are di­vided into five classes: Hal­tech Ra­dial Blown, Tur­bosmart Out­law Blown, Pace­maker Ra­dial Aspi­rated, Tuff Mounts Out­law Aspi­rated, and K&N Dial Your Own. Cars run­ning on a 275-or-smaller tyre run in the Ra­dial classes, while ‘big-tyre’ cars run in the Out­law brack­ets. The tyre classes are then di­vided into aspi­rated and blown, with the lat­ter en­com­pass­ing tur­bocharged, su­per­charged, and ni­trous-boosted en­gine com­bos. The tyre classes see com­peti­tors sub­mit their best times­lip ev­ery day be­fore leav­ing the track, with each ET added to­gether into a cu­mu­la­tive score. At the end of Day Five, the car with the low­est cu­mu­la­tive ET is de­clared the win­ner. The fifth class is the huge Dial Your Own bracket, which had over 80 en­trants. Cars in DYO don’t run a cu­mu­la­tive time; in­stead the slip they hand in on Day One is their nom­i­nated time they need to try and match over the en­su­ing four days. This sounds sim­ple in the­ory, but this class nor­mally comes down to thou­sandths of a se­cond after five days of ball­sto-the-wall rac­ing, as it did this year.

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