1991 Chevy Silverado Four Wheel Drive Manual
Its actually a 1991 K1500 w\ 5.7 L V8. I just bought this truck, and there are lots of custom riggings on this truck. What I am writing about is engine performance. Truck starts fine, idles (a little high) but fine. When you step on the gas to go. It feels like its gasping for fuel, air, or spark? But if you really step on it, it will take off just fine. It does not have close to the power a 350 should have. Im not a speed demon, but it won't reach highway speeds on the on-ramp unless I really punch it. Going uphill is a real struggle. And on long trips, you can feel the engine losing compression. Once you get up to speed it runs fine. But if there is just a small incline, I have to drop it into 4th gear, to get back up to speed. I was told the engine and the manual tranny were almost new when I bought it. And the engine looks pretty new. There is a crack in the exhaust manifold, but Im not sure it would cause poor acceleration. Would it? I just replaced the fuel filter and (no difference.) I ran a fuel cleaner and no change. Next step is plugs and wires. Hopefully you can help me, cause I dont have alot of time to go down the list of possible engine performance fixes. Thanks.
have the same problem?
Friday, October 9th, 2009 AT 10:58 PM