If you can do all that, why not just have the Tuner email new map based on your data logs ?
Where do you live, may be there is a Tuner closer to you. Mine is 10 minutes away.
201,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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