Dyno tune on a 2014 gmc seirra 6.2

6.2 GMC that could
6.2 GMC that could
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Published 2022-08-23
Got my truck on a dyno today at AMP(advance modern performance)
Wanted to get numbers on my truck before my motor swap And wanted to know where it’s at Says it ran a 394 but when dyno tuned forgot to tell the tuner I ran 22inch rims and put 17inch rims and my speedometer was 5-10mph faster then what I was actually going so I can say technically made about 400 on the dot rwhp it’s 4x4 aswell

Current mods
Fbo(headers,intake,tune)
4inch intake tube manufactured by insta Charlie’s_garage
Running a ported lt2 manifold and ported lt5 throttle body ported by chuy454
Running a transmission cooler by mishimoto with bypass
Upgraded 2 piece driveshaft
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