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6l80 bucking under load

 

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Wfolsom
6l80 bucking under load

i have a 2010 silverado i did a lq4 (6.0L)  swap added injectors, cam , 2.3L whipple supercharger and had my torque converter go through by a local converter shop. the transmission started bucking and jumping under heavy load almost felt like rev limiter ? Ive tried bluecat and nothing changed

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