The last time I used Chevron Techron, was about 15 years ago in my Porsche 944 Turbo. I guess the stuff works... but in that car what I noticed as I would get onto boost(14.5 psi max)... you could hear some ignition ping and feel the engine have reduced power(slightly). I always fed that car Sunoco 94. I am not really a big fan of Chevron Techron - bc of that ping. While it does clean carbon buildup... I feel it must reduce the octane some what. I also used BG's 44K fuel cleaners on that same car... never felt or heard any changes. Then again... I never had any running issues with that car either. It was "chipped" and made 285 Hp from 2.5L four. Stock was 220 Hp.
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