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I WAS interested in building something to enter Horsepower Heroes in the future but want to know what sort of numbers to shoot for to have a competitive entry. I was at Summernats this year and noticed that there wasn’t a lot of interest in the non-v8 categories. I contacted the Summernats people and they said to contact Street Machine. What sort of numbers have these classes run in the past? Clearly 46hp in the NA Fourcylinder class isn’t much; a stock Prius would beat that!

Has anyone cleared 300hp with a fourcylinder NA?

Jye Lawrence, email

HEY mate, some years the aspirated classes at Haltech Horsepower Heroes are quiet, and others you might find yourself up against some stiff competition. I can’t find a record of anyone running 300hp in the NA four-pot class (which includes aspirated rotors), so there is an opening there for sure. Unless you can make more than 450rwhp out of an aspirated six I wouldn’t turn up confident of a win, as Tony Spasenoski has taken out the class with some tough Hemi-six Valiants for the past few years. Hopefully you come down and put on a show in the four-banger class, maybe with a stout 3S-GE BEAMS Toyota donk or aspirated 20B rotor! – Iain Kelly