Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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lemon-manuals.org.ua
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Emission Control Systems: Description and Operation: Overview
This system uses high inlet air temperature, higher
idle speeds, retarded
ignition timing, leaner
carburetor mixtures and built in modifications such as lower compression ratios, increased overlap camshafts and redesigned intake manifolds and combustion chambers.