Will An AFM Disabler Cause Engine Problems? Before using an AFM disabler, the only requirement is to ensure the V6 or V8's ...

Many owners of GM vehicles reported problems, including excessive oil consumption and component failures due to the AFM system. There are even reports of the combustion chambers becoming clogged ...

With both VCT and AFM, it's harder to modify in stock form. Short-block problems are similar to the LS3. AFM problems (450 hp, 0.500-inch-lift cams, or high rpm):Half the lifters and their ...

Remember that using an AFM disabler will not resolve problems with bad lifters or faulty camshafts. On the contrary, forcing the engine to run in all-cylinder mode when it has camshaft issues will ...

With both VCT and AFM, it's harder to modify in stock form. Short-block problems are similar to the LS3. AFM problems (450 hp, 0.500-inch-lift cams, or high rpm):Half the lifters and their ...