Inliners International Forums General Discussion Engines Should I balance my motor?

Since you already done the rebuilt, it's up to you and your pocket book and time frame.

For a street engine, you could leave it alone without balancing.

I have a 261 rebuilt from scratch - mostly stock - starting this month.
It will never go above 3000rpm but DEFINETLY have the crank balanced - no question!
The cost for that procedure is rather small compared to all the other expenses when rebuilding from scratch.