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nitrostarter · 03.22.2006, 02:14 PM

If you planned on using more cells late you, you might want to go on and get the XL now. It'll perform fine on 14 cells now and even better on the 16-20 cells u want to run later on.

The difference between the 7XL and 9XL is the number of RPM's the motor spins per volt. Technically speaking the 7XL spins faster and might be a faster motor, but the 9XL can take more cells and make more power which in turn you can use to gear higher and make more speed.

	(#7)
nitrostarter RC-Monster Brushless Offline Posts: 3,156 Join Date: Jul 2005 Location: Gramercy, LA	03.22.2006, 02:14 PM If you planned on using more cells late you, you might want to go on and get the XL now. It'll perform fine on 14 cells now and even better on the 16-20 cells u want to run later on. The difference between the 7XL and 9XL is the number of RPM's the motor spins per volt. Technically speaking the 7XL spins faster and might be a faster motor, but the 9XL can take more cells and make more power which in turn you can use to gear higher and make more speed. N. Rustler conversion