AFM or active fuel management is a GM/Chevy technology meant to improve gas mileage. AFM works by deactivating half of the engines cylinders under certain circumstances to reduce fuel usage. It essentially turns your V8 engine into a V4 which saves fuel. GM claims fuel improvements ranging from 5%-15% depending on the engine. So why would you want to delete AFM? … [Read more...] about How to Delete or Disable Active Fuel Management (AFM)
Vortec 5300
Chevy 5.3 Vortec Fuel Economy Improvement & MPG Mods
5.3L Vortec MPG Mods Gas mileage is notoriously poor on all trucks, not just Chevy's and not just the 5.3 vortec. Every smart alec's response to "how do I improve my trucks gas mileage?" is "buy a Prius". But for a lot of us, we need a truck either for work or for hauling things around. A smaller and more fuel efficient car just isn't an option. Fuel efficiency has come a … [Read more...] about Chevy 5.3 Vortec Fuel Economy Improvement & MPG Mods
Chevy Vortec 5300 Common Engine Problems – 5.3L Vortec V8
5.3L V8 Vortec 5300 The Vortec 5300 is a small-block V8 GM engine that was produced from 1999 until 2013. While the 5.3L Vortec is based off of the LS engine platform, it itself is not technically an LS engine. The engine went through two different variations during its lifespan, Gen III and Gen IV. Across both generations the Vortec 5.3 had 10 different engine variations used … [Read more...] about Chevy Vortec 5300 Common Engine Problems – 5.3L Vortec V8