Rob C.
Have you ever seen a Bloomer 4.125 kit compared to a Scat 4.00 kit?
Have you ever raced both engines?

I have, and I would seriously ask anyone preparing to buy a Scat kit, the same question scottb. did.

If the extra money is a deal breaker, by all means buy the Scat, but the difference between a cast crank with big rod journals and I beam rods, compared to the Bloomer kit, which is lighter, fits easier due to the smaller rod journal, features CompStar H beam rods, Racetec pistons, and provides even more inches...it's a no brainer to me.