just wan to know that can we change the clutch to powershift with 6 speeds?
i going to buy a used focus that only with 4 speed automatic.
i found that oversea model that is with powershift 6 speed clutch.
1. I want more power and the engine is detonating! Do I need to run richer to eliminate the knock?
What is the optimum air-fuel ratio to run for best power?
I've heard racers say that we need to run a bit lean for best power - is this true?
Maybe. It's somewhat true that running a tad bit richer will help quench detonation (knock), but only to a certain extent. The stochiometric AF ratio for gasoline...
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