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Old January 19th, 2010, 06:37   #5
chaosnemesis
 
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Join Date: Nov 2008
Location: Toronto
It really depends on the spring. As the model would suggest the G&P m120 motor should be used with springs rated with no more than M120. anything stiffer and it'll have trouble pulling it.

At 340 fps (M100) my TM p90 shoots out about 21rps (stock TM gearset) with the 120motor (was putting out 16rps with TM EG1000). At this speed, i didn't see any point in trying the M160 motor. On my Echo-1 P90 the M120 motor would not fit in the motor cage (without modification) however, i happend to come across a spare EG1000 that worked fine.
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