Summary

Is there any situation where you wouldn't need to balance your crankshaft? For example when rebuilding a factory engine and reusing the standard crank? That's assuming the engine was healthy before it was pulled apart. Look it's not necessary if you are rebuilding a factory engine.

00:00 - Leon has asked, is there any situation where you wouldn't need to balance your crankshaft? For example when rebuilding a factory engine and reusing the standard crank? That's assuming the engine was healthy before it was pulled apart.
00:11 Look it's not necessary if you are rebuilding a factory engine.
00:16 Of course all of the factory engine components are balanced to a factory specification.
00:21 So it's not essential that we go ahead and further balance those components.
00:26 What we'll find though is that the factory tolerance for balance is probably going to be a little bit looser than what we may be aiming for for a performance engine.
00:37 Of course then it really comes down to what are you gonna be using this engine for.
00:40 If you're just rebuilding a factory engine, and you're only expecting factory power levels or maybe marginally above, and you're not going to be extending the rev limit, there's probably little to be gained out of going and doing a more thorough balancing job on it as well.
00:55 Then it also comes down to value for money.
00:57 Obviously the process of balancing all of these components is going to add to your machining bill.
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