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Car sputtering and cutting power at WOT
As I approach 150k miles and 130k boosted miles on my car, I'm starting to see issues. I'm not sure if I have a vac leak but when I WOT my car, power is cut and the engine doesn't want to climb in rpms at random times. It just hangs at say, 4k or 5k rpm under WOT. It happens quite a bit. It's more pronounced on pump gas than e85. I'm thinking this could be the effect of a vacuum leak somewhere. I'm not sure what else can cause this.
Any one else experience such issues?
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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 |