Originally Posted by stevetford

Hello guys, im looking for a new engine for my buggy this year. I have my eye on several different engines, and in the Nova lineup im looking at either the P5 or the 21-4 (steel bearing). Both are very close in price but the way I understand it is the front bearing in the P5 is strongly suggested to be replaced with the 17011 bearing. Is this also true of the 21-4? Of these 2 engines, what would you all suggest for 1/8 buggy. I just stick to club races and our local tracks are on the small side with short run ups before the jumps so something with a little more low end grunt would be key. Thanks for your time.

Steve