classicretrofit Posted May 6, 2020 Share Posted May 6, 2020 It is always best to lock the distributor weights in the fully advanced position. Firstly, If the locking fails, then the engine cannot be over-advanced. Secondly, in most cases it means you won't have to re-position the drive gear. Procedure: 1) ‘Fixed Timing’ means that the CDI unit does not adjust the timing. You need to clear this box in the configuration (no tick) to enable the CDI+ to control timing. 2) Take the maximum advance required for the engine and subtract the static advance (typically 5 BTDC). 30 - 5 = 25. 3) Draw a ’simplified' curve (below) with max 25 and set the ’Trigger Point’ value high enough so that the graph is below the red area. (the 0 idle area is just so you can start the car easier) 4) Start the engine and bring it to 2000 RPM+ and adjust the distributor so the timing light reads 30 deg. (in my graph anything above 2000 gives 25 plus the 5 static = 30). You now have the timing dialled in so you can do anything you like with the curve. Quote Link to comment Share on other sites More sharing options...
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