Originally Posted by MelKF2

Most of the time I leave the timing as is! However, when I do trun it up I usually go 5-10*. Now I only run Certified motor's but I do have a couple of Trinity motor's tuned by Express Motorsports (EMS) excellent motor's by the way. Oh! I always replace the bearings with Trinity's ceramic bearings after the first dyno run avg gain 300-500 RPMS after full break-in.