Originally Posted by DirtyD
Are we talking the actual block or the internals? The internals are the weak spot that I have seen.
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Both are weak really. Well, I mean that relatively. Don't get me wrong, it's a great high winding lil motor. I just mean that it's not the best choice if you're wanting to make big power. If you're happy with 550rw or less for a toy, then a stock motor'd 5.0 is fine. But, if you're wanting to go fast, a motor build is in your future with a sleeved block at the minimum. Hopefully at some point someone makes an aftermarket block that is able to handle big power because what is out there now is still breaking the same way factory blocks are.