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Nice.... my experience and thoughts are if you have a stock engine, intake, exhaust and cats etc then tuning is a waste.Thank you very much, now its off to Rip all the carpet out put in Armolite / JL audio AMP and Stealth boxes / Radelco / ARB air compressor / All my AAL goodies for the inside / HP tuner / Dyno Tuning it / I held off the Magnuson super charger for the moment. wanted to get caught up and get all this done. plus wanted to see how the power band is by just doing DYNO before boosting it. Never got the ARH Headers. They were so backed up and the build was not going to be delayed any further so we progressed without headers. Interesting fact is Magnuson rep told me I will get more power out of the unit with stock exhaust Manifold rather than headers. Says it needs the back pressure. I would have never thought that.
It's much better to have reliable tested power than to advance spark timing and mess with air fuel ratio and drivability.
When you change the intake, port heads change cam and cat delete or the supercharger you mentioned then you'll need to tune the ecu for those changes.
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