Question about 1991 GMC S-15 Jimmy
I have a 1991 gmc jimmy s15 4.3 engine, i replaced timing chain, i need to know what to set timing with a timing light, the information under hood is missing.
0 degrees BTDC would be the spec , there is a brown w/tan tracer wire near the distributor , you have to disconnect the connector before setting timing
Posted on Feb 06, 2009
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Posted on Jan 02, 2017
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