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Old 05-05-2011 | 07:28 AM
  #9  
cutaway
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From: Lake Worth, FL
Default RE: Need help choosing an engine
The ST mufflers are very quiet, but real bricks weight wise. The Fox mufflers are relatively light.

I've been impressed with the output from the little ST G34 on an 80/20 FAI mix.

A friend has the .40 which wasn't as impressive, and he's running 5% nitro. The .34 with no nitro outperforms the .40
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