Quote:
Originally Posted by Conflicts6
I am putting in a sp125(basically a m120) spring into this with some other gearbox upgrades(not changing the motor) and I will be using the stock battery. Will my ROF be crap and will my motor struggle with the stress and the crappy 8.4v battery?
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The crappy battery will be your biggest issue. A large 8.4v of good quality would be fine, a 9.6v will give you a better ROF. I would also replace the spring guide, piston, and piston head, as well as a complete reshim and regrease.