With the engine warm, you need to first bridge the Check connector (yellow covered plug) (same as the one for fault codes) this put the timing back into base mode.
Then looking down in the appature of the bell housing (after removing rubber plug) you need to set the timing so the RED mark aligns with the pointer. This mark is 20 degree BTDC.
The white mark with the T by it is TDC.
HTH
Steve M
Steve M
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Its all gone Norfolk!!!
Now in the Lotus position.