spark retard- 4.0- where from?
01-20-2003, 02:02 PM
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Join Date: Nov 2001
Location: Warren, MI
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spark retard- 4.0- where from? Engine is all stock except for "SLP" cold air and "Loudmouth" exhaust. 3.9 dgrees is normal according to the scanmaster. Is this normal or do I have a problem? It runs fine and I don't here the knock.Thanks.
