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GorillaMaxx360 · 12.22.2006, 12:32 PM

I am defiantly going 4s no matter what an my truck will weigh a little less than stock. i want to at least stay in the 40s consistently and reliably. that is my goal. also i want a pinion that will get me here without straining the motor and running cooler(than it would with a 20t). Also i want to know will the motor(7XL 540) run cooler with the smooth can and RC monster heat sink, or will the 7xl540c w/ built in heat sink run cooler. I want to use 36t spur and maybe 18t(if it runs noticeably cooler than 20t) pinion do you think this will be as much stress on the motor as the 20t or do you think stepping it down 2 teeth on the pinion helps it run cooler and more efficient.

	(#17)
GorillaMaxx360 Always Willing to Obtain More Knowledge Offline Posts: 1,482 Join Date: Oct 2006 Location: Chicago	12.22.2006, 12:32 PM I am defiantly going 4s no matter what an my truck will weigh a little less than stock. i want to at least stay in the 40s consistently and reliably. that is my goal. also i want a pinion that will get me here without straining the motor and running cooler(than it would with a 20t). Also i want to know will the motor(7XL 540) run cooler with the smooth can and RC monster heat sink, or will the 7xl540c w/ built in heat sink run cooler. I want to use 36t spur and maybe 18t(if it runs noticeably cooler than 20t) pinion do you think this will be as much stress on the motor as the 20t or do you think stepping it down 2 teeth on the pinion helps it run cooler and more efficient.