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Performance tuning changes the fuel delivery and other things like the ignition timing to develop more power. This is fine, but when certain countries set emission standards of x at y rpm then due to the changes the limits can be exceeded. This is one reason why older vehicles can fail emissions as worn components cause drift on the target values so the ...


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There are several things you need to account for ... but to answer the question "Is it safe?", by all means it should be. It's not going to explode, but you could be washing down your cylinder walls with excess fuel. As long as it is running fine, there shouldn't be a huge issue. As I previously stated, there are still some potential gotchas you ...


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