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Old 02-08-2006, 02:06 PM   #1
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Join Date: Jun 2004
Location: Torrance, CA
Posts: 492
Default Hyper 21 tuning help needed

i need help tuning a hyper 21 pull start. i have this motor installed on a hyper 7 pro buggy. i made sure the carb settings were set to factory spec's. i have run about 8 tanks of fuel through. i can start the motor. it idles fine. but when i give it throttle it dies. it wont even rev past mid range. i have got it to run at 3/4 throttle. but when i start to work the throttle, half to full throttle, it dies. i have tried turning the main adjustment in 1 to 2 turns and it does not help. the low speed needle seems fine.

i did tune my traxxas jato over a month ago. this truck starts in less than 5 minutes and just keeps going. i never have to touch it. this is why i tried a 1/8 buggy.
whats the secret ???????
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