What is the sound of one piston slapping?
What is the sound of one piston slapping?

As per the folks at TTAC (researching CARB paperwork), there could be a 2019 model year for the Sonic after all.

The CARB document does not mention the 1.8L engine however, maybe Chevy is going to turbo all the trim levels?

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https://www.arb.ca.gov/msprog/onroad/cert/pcldtmdv/2019/gm_pc_a0062154_1d4_u3-70.pdf

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