Check in either a factory service manual, Chilton manual or Haynes manual. There you will find illustrations of the markings on the sprockets and their alignment for which ever engine your car has.
On a 1989 Chevy Celebrity the timing is controlled by the engine control module, there is no specification or provision for adjusting the timing manually.
The timing on y our 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
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The 1988 Chevy Celebrity uses distributorless ignition. There is no provision to alter timing, the engine control module takes care of that.
The timing on a 1987 Chevy Celebrity is controlled by the engine control module, there is no provision for adjustment.
Timing on a 1987 Celebrity is controlled by the engine control module, computer. There is no provision for adjustment.
Try cleaning them.
The 1987 Chevy Celebrity has distributor less ignition. The timing is controlled by the engine control module and there is no provision for adjustment.
The 1988 Chevrolet Celebrity uses idistributorless ignition systems, the timing is controlled by the ECM. there is no provision for adjustment.
The timing should be set to 10 degrees BTDC.
pull the cam and lifters
The timing is set on a 98 Chevy Silverado 1500 5.7L by aligning the cam sprocket with the timing chain markings. The engine's computer will then make adjustments on the fly for any additional timing changes needed.