In racing, you want all the power your motor can make to reach the drive wheels. To that end, we commonly use steel motor mounts to replace the factory rubber models on Hobby Stocks or Street Stocks.
Engineering is a game tolerance. Not the kind where you have to put up with your kid brother nagging you in the back seat on a road trip, this is math stuff. Everything that is built has a tolerance ...
For many racers, the bellhousing isn't considered any more often than Christmas in July. Out of sight, out of mind after all. But the bellhousing is more than just the place where the clutch resides.