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MG MGB GT V8 Factory Originals Technical - Ignition Timing

Mike,

Here's the link.

http://www.britishv8.org/Articles/Rover-14CUX-EFI.htm

The standard Lucas distributors have advance curves which are not particularly ideal even for a standard V8 idealy you want approx 10 degrees at 1000RPM and all in at 36 degrees(for a 3.5) by 3-3500 RPM and 32 degrees for 3.9. also the standard vacuum advance cans give far too much advance, around 18 degrees when 5 degrees would be much better.
Try diconnecting the vacuum and see if that cures the problem, I run without vaccumm advance but have recurved the distributor.

Good luck,

Kevin.
Kevin Jackson

This thread was discussed on 11/10/2009

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