[MaciekA]

Originally Posted by Renegade)

Man some very good, detailed answers here...

Short and simple dude, your battery and/or motor cant handle your current "custom" set up. Motor and Gears cant handle the spring. If shimming was too tight, it wouldnt shoot semi very well either, and you said it works fine with that. Not to mention it would sound terrible and be putting even more stress on your motor.

Well said. Fix up that shimming and follow my golden mantra: MORE POWER