5.0 using oil

Jordan Warta

Member
Nov 29, 2015
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Got a 2011 Mustang GT from a dealer in November 2018, had only 43,000 miles on it. Now it’s at 61,000. I’m running catless midpioe, aftermarket exhaust, CAI and usually run a 91 octane tune. Anyways even before I put the tune in between about 6 months of driving after I got The car I changed the oil (Probably 6k miles), only half came out. That was red flag one. Then about 8 months later check the oil (probably 10,000 miles driving) and it was under the low mark on the dipstick. Had a mechanic check for
Leaks there were none. I had the oil changed about 3 months ago, I had the 91 octane tune in the whole time and checked the oil last night sure enough it was at the low point of the dipstick again, I added 4 quarts in it so that’s about how much I lost in 3,000 miles of driving. The car has a dealer warranty until 80,000 miles.
Anyone else have issues related to this? Car isn’t smoking or anything, no ticking either. Other than oil consumption it runs well and usually I don’t beat the car (most of the time).
 
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I'd say go to the dealer so they can perform an oil consumption test, however given your mods, the dealer will likely void any sort of powertrain warranty, especially with a tune on it.