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	 Timing too advanced or retarded 
			
		Okay so I have this very odd issue with this 5.7l. I was called into a shop because as soon as the rpm is raised the engine "breaks up". Anything above about 900 rpm and there are massive misfires and popping from the tail pipe. The shop got the vehicle from a... Login to read more. ![]() 
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| VIN | 1GCGC29R5V | 
| Engine | 5.7 L | 
| Trans | 4-speed Automatic (Electronic) | 
 Vehicle Data
            1997 Chevrolet C2500 Cheyenne 5.7L
| VIN | 1GCGC29R5V | 
| Engine | 5.7 L | 
| Trans | 4-speed Automatic (Electronic) | 

174 Replies Received
           174 Replies Received