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Stock ignition timing at idle is 6 deg BTDC +/- 1 deg. I like to set mine for about 7 or 8 deg BTDC. Kyrasis6 Mazdatruckin.com
Ignition timing should be set to 6 deg BTDC, this is done with a timing light. Connect the power leads of you're timing light to the battery and put the pickup clamp over #1 plug wire. Disconnect the vacuum line on the vacuum advance and plug the line so it does not create a vacuum leak. Start the engine and shine the light on the crank pulley to see the timing mark. It should be pointed at 6 deg BTDC. See the attached links on how to install and check you're timing belt. Kyrasis6 Mazdatruckin.com
6 deg +/- 1 with distributer vacum blocked and idle at 750 +/- 50 rpm
It is set to 0 deg. with a scan tool. It can not be done with a timing light.It is set to 0 deg. with a scan tool. It can not be done with a timing light.
12 deg with the coolant sensor disconnected.
the best ignition timing i have achieved using a dyno is 8 deg btdc at 700 rpm, using after market engine management
the factory setting is 6deg btdc, but mine seams to run better at about 7-8 deg btdc
The distributor is set at 0 deg with a scan tool. The "base" timing is to line the rotor up with the line in the pick up plate in the distributor when at tdc.
It is not timed with a timing light. It is set to 0 deg with a scan toolIt is not timed with a timing light. It is set to 0 deg with a scan tool
0 deg BTDC. You need to diconnect the ignition connector to set it. It is the Tan wire with black stripe. Either under the relay cover on the passenger side of the firewall or under the dash below the glovebox inside the cab. then o deg is the big V on the timing pawl.
The distributor is set to 0 deg with a scan tool. It can not be done with a timing light.The distributor is set to 0 deg with a scan tool. It can not be done with a timing light.
8 deg. BTDC