Reply to "FI Ignition"

rapierMember

Do any of the ECU systems you are looking at have a knock-sensor to automatically retard the timing to avoid pinging.

This has the advantage of being able to take advantage of higher octane fuel when it is available, and automatically retarding it to avoid 'pinging' when needed.

This means that you can just fill up with higher octane fuel whenever you want some more power, the Engine Management will adjust the spark timing automatically.

Some tests have been in the UK done on high-performance Japanese cars and found that filling up with higher octane fuel (which is about 3 octane points higher than the usual stuff) gets you between 20 and 60bhp.

2/2/079:50 AM

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