Question about 1993 GMC Sierra K1500
Theres no advance wire on that engine!!! theres a hash mark on the back of the intake and one on the distrbutor shaft you set the distrib with the has mark and yes!! the ecm! will always reset the timing that is what is does but if it's pinging or knocking then change the ignition module cause the dwell side of it is out of range!
Posted on Jan 14, 2010
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Posted on Jan 02, 2017
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