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Racer
 
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Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,900
CIS is not better than EFI in any way, shape, or form. CIS is just an electromechanical injection system. It does not tolerate or compensate for issues better than EFI. It just doesn't know the issues are there to begin with. EFI systems are far more flexible and make it easier to diagnose problems when they occur.
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Scott Winders
PCA GT3 #3
2021 & 2022 PCA GT3 National Champion
2021 & 2022 PCA West Coast Series GT3 Champion
Old 08-14-2025, 07:50 AM
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