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View Full Version : ESR Big Bore Porting???


clutch22
12-29-2006, 04:32 PM
I dont know much at all about porting.... and i'm lookin at big bore esr kits... soo whats the difference between the TRX,7,9,11 ???
methyman
12-29-2006, 06:53 PM
TRX7 = Low to mid power range
TRX9 = All around power range
TRX11 = Mid to topend power no bottom end
clutch22
12-29-2006, 07:39 PM
k.. thanks