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  1. GN7 On the Dyno
    Me n uncle went out after work to tune our deals to run alil cleaner.last time out my turbo 5.3 was alil fat on secondaries and high boost so i wanted to clean it up, jetted down couple sizes made a nice hard pass watchn afr. and i had taking away alil too much and was seeing 11.7-11.8 at 19lbs...
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