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Bosch blue coil 0/221/119/027 The rise in advance at 500 RPM keeps the idle RMP very constant

I've got the USB programmable version of the distributor. I had worked out the curve from the official engine data. The curve Simon lists above is almost the same as I had, a member of another forum gave me what he has running on his which I also tried but it didn't make any difference to the...

I've got the USB version so I have to plug my laptop in to program up the curves, i'll email Martin and see if he can help me with the curve data. A rolling road would be a great help, at the moment I change the points on the curve, take it for a drive, come back and repeat but never had enough...

I'm still trying to get my 123 ignition setup but not found anyone who knows what the curves should be

Has anyone worked out curves for the 123 ignition? I bought one a few months ago and it seemed great for the first week then i've not been able to get a good setting since.