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I've attached some data logs. I don't know if they indicate anything. Basically I give the car some throttle and right before i let off the throttle is when the engine dragging starts happening. Basically the engine sounds like it's struggling and doesn't rev higher even with throttle. Not sure if it's a misfire or what. What's interesting, it's worse the lower the ethanol level. Basically the car performs better with higher E content and performs like crap on pump gas. This issue just started happening.
If anyone sees anything wrong,
Thanks
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Vortech SC on 9psi Pulley, Invidia Catless Front Pipe, Invidia N1 Catback Exhaust 
242whp/197ft-lb on Mustang Dyno (91 octane water)
284whp/223ft-lb on Mustang Dyno (E85)
Delicious Tuning |