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Noisey valve train
Hoping to diagnose intermittant valve train noise on a 93 GMC 5.7L truck . 118k miles on the odometer. Noise seems to worsen after longer highway driving, is non existent on warm up. Oil pressure (on factory gauge) appears normal. Inspection under rocker cover... Login to read more. 
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| Engine | 5.7 L |
| Trans | 4-speed Automatic |
Vehicle Data
1993 Chevrolet C1500 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic |
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