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This was on a Mustang dyno on a terrible weather day. It was 95F, extremely humid, at sea level. Tuner said the car could have easily made 10 more hp with cool dry air.
Engine is a stock LS3 crate motor with a Cam Motion 216/226-116+3, 0411 PCM with Lingenfelter 58x > 24x converter box, Nick Williams 92mm cable throttle body, T56 with 3.73 rear end, LS7 clutch kit, TSP 1 7/8" Headers and GMMG Exhaust.
Here's the graph with my old setup for comparison.
Pretty smooth idle with that cam? What do you get for highway mpg?
Just guessing, of course, but i would suspect it's pretty civilized with 2 more degrees LSA than the old Hot Cam., which isn't too rough. Durations are within a degree each for intake and exhaust.
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LS3 TransAm dyno results! 
