...gmc sierra 1500 350 ? You can set the timing but the ecm, engine control module will reset it back to specs. So it useless to try. Good luck dont forget to rate you have to unplug set timing wire ...
1993 GMC Sierra Z71? 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
...specs for a 93 GMC 1/2 ton 350 5.7 liter truck? 8 degrees before top dead center Try this website to download a free manual ...
...GMC K1500 350... replaced distributor...timed it at 0 with computer unplugged... plugged it back in and timing changed by few degrees, engine surges and runs poorly. Checked plugwire route for ...
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