I had my distributor out and I need to reset my timing on a 1996 GMC 1500 350 r engine code to proper spect.
Jul 18, 2012 at 10:31 AM
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WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
The ignition timing is non-adjustable and cannot be changed however turning the distributor changes the cam sensor offset which has to be adjusted using a high end scan tool.