Need help with my 91 Chevy tahoe blazer. At first it would start and run until it warmed up. Then died as soon as i put it in dry or reved up the engine. Cleaned carb. Has new oil filter, air filter checked vacuum lines replayed coil, spark plugs, spark plug wires, checked fuses, fuel's running through well, exhaust is not seemjng to be clogged. Help

 

You said: Cleaned carb. Is it a TBI fuel injection or has somebody transformed it to a carburated version?
A picture would help.