Thread: 87 Octane
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#8: 06-07-2012, 12:16 PM
 
 Max Capacity
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Car: 05GT Wagon 5MT stg2, 09 specB stg1
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Keep the car out of boost !!!

The OEM map in the ECU is flawed at best with 91/93. If you like your XT and plan to keep it and do any hard driving, get it to a Tuner.

Now if you had Cobb AP or the cables for a laptop, and had a Tuner make you a 87 map I would think you could use that. But I'm no expert in going to 87 octane.


The best idea I've read here is, rent a car.
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193k, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.

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