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Is the Vortex 5.3 l. V8 a good, reliable engine

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Submitted: 9 years ago.
Category: Chevy
Expert:  Carhelp4u replied 9 years ago.
The 5.3 engine in the 08 models is a very good engine in my opinion. You get more power than the 4.8 and better fuel mileage than the 6.0. In all honesty since the 5.3 engine has been released, there have not been many problems at all. The earlier models did have some troubles with a faulty casted head leaking coolant. The only real problem I have seen in these engines that is quite normal is faulty intake gaskets. This would produce a intake runner leak that ended up in a misfire condition. These were the biggest problems that this engine has suffered from. There are fuel regulator issues, and also some ignition problems, but the later models have seem to overcome that. I would not hesitate to buy a vehicle with this engine. Feel free to contact me with any questions! Good luck!
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