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well... i only have the timing light suitable for a lead ignition set-up.. BUT.. i do have a much much easier way to check. I recently found out that my workshop has a scan tool with DOES imports! SUCH a suprise to me, so I hooked my baby up, found that the base timing is on 5 degrees BTDC.. yuck.. :O

It also has a sweet setup where you can FIX and GRAPH every damn thing the computer is seeing. I now know why my car is running dog rich.. my oxy sensor was showing, yep, you guessed it 0 volts.

This thing is awesome, im so stoked (FYI its a Carman Scan pro, and yes im an apprentice mechanic at a fully equipped work shop:))

To adjust timing you have to loosen CAS then move it which ever way.. is that correct?

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The scan tool will only show what timing value the ECU is using from it's ignition v load map. You will still need to use a timing light to set the ignition timing using the CAS so that the ECU is getting the right timing value from the CAS.

I find the best way to use the timing light, is to remove the coil from spark plug #1, use a short HT lead between the plug and the coil, and clamp the pickup around this. You can use the small loop of wire near the back of the engine on the ignition wiring loom, but I find that you pick up too much interference using this.

Anti-Clockwise rotation of the CAS advances ignition timing, clockwise retards ignition timing.

Edited by PlasticStan
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