The 30S2 was a bit of a light switch engine. Had loads of power down low, but didn't have the rev's/top end the 28S3 had. For what I do, the 28S3 was the better engine, but mine had issues. I've had 3 or 4 of the 28S3's and they are great long lasting engines. I figured out eventually (after...
I ran sintered BP diffs, steel spur, super HD outer bones and 50K in the front/rear diffs. The original X came with machined non-bp diffs, not sure if they updated them or not. I got take off BP diffs and they had the super HD sized cups on them. At first, I took them apart and my old diffs...