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1991 s10 timing

02-04-2010, 03:10 PM
I got a 2.5 liter chevy s10 5 speed manual 2 wheel drive. I need to knew whats the timing suppose to be. I got a timing light but can't seem to find a guilde telling me whats the timing suppose to be or even how its suppose to be timed.

02-05-2010, 08:18 AM
8 degrees before TDC with pin A & B jumped on diagnostic connector.
And average 1 & 4 cylinders.

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