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mwl36
Forum Newbie
Posts: 1
Reg: 02-23-12
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02-23-12 12:07 PM - Post#2194249
I have a 92 chevy pickup 1/2 5.7. I rebuilt the motor and it has a pinging noise i'v adjusted lifters adjusted timming (set timming on 0 ) replaced knock sensor,distributor,oxygen sensor. When you unhook the wire to set timming the pinging stops the truck runs good i'v tryed runing high octan gas it didn't help. ANY HELP WOULD BE NICE OUT OF CLUES It's given me a code #32
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355Cheyenne
Senior Member
Posts: 3743
Loc: Northern MN
Reg: 10-27-04
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02-23-12 12:11 PM - Post#2194255
In response to mwl36
I bet you that your timing mark slipped and you actually are timing it wrong. The balancer on the fly wheel is a 2 piece assembly, and inner ring then rubber then outer ring. Very common for the outer ring to slip or move over time so the timing mark it not correct. What I would do is line the timing mark up and pull the spark plugs. Get a coat hanger and stick it into #1 and slowly turn the motor by hand and feel the coat hanger move up and down. Do your best to get to top dead center then look at the timing marks, if off then get a new balancer.
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