Originally Posted by
RC8daBOMB
Mark from powerhouse says he may hook me up... What do you racers think of his mods?

I am thinking i want the N21R, or the P5XL. The +4 is a little pricy... Keep the thoughts coming though, i want the right engine

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would definatley recommend the novarossi P5 XL Turbo if possible, just recently brought one of these after selling my RB WS9, the difference in the smoothness of the lower - mid power band is awesome. doing much better times despite the less power, as im racing much more tidy. Highly recommended, BY FAR THE BEST ENGINE I HAVE OWNED SO FAR. easy to tune, easy to break in and best of all Novarossi quality. Great on fuel. And an absolute bargain. Hope this helps