Gen IV 5.3l AFM DELETE WHILE KEEPING VVT

Dec 13, 2020 · Vortec 5300 5.3L V8 Gen IV 5.3l AFM DELETE WHILE KEEPING VVT ... After some weeks of reading and parts searching, I am going to delete AFM while wanting to keep …

FAQs about Gen IV 5.3l AFM DELETE WHILE KEEPING VVT Coupon?

Why did the LS LS change to AFM?

This change to AFM was part of the upgrade of the original Gen. III LS engine to what is now commonly referred to as Gen. IV engines using the 58x shutter wheel on the crankshaft. These Gen. IV engines also moved the cam timing sensor from the rear of the engine to the front timing cover. ...

Do GM LS cylinder blocks accept AFM and VVT?

Nearly all 2005-and-later GM LS Gen IV cylinder blocks include provisions to accept AFM and VVT, but depending on the engine option and model year, a complete Gen IV engine assembly can have both AFM and VVT, just one or the other, or neither. ...

When should I install an AFM delete kit?

An AFM Delete Kit is recommended when an AFM lifter fails or when doing performance upgrades. It replaces the AFM components with standard parts. When installing an AFM delete kit: You MUST upgrade to a non-AFM camshaft because the cam lobes in the four AFM cylinders are ground differently. ...

Does GM use AFM & VVT?

In other words, as implemented by GM, AFM and VVT aren't necessarily used concurrently; they are independent systems. Specifically, the 6.0L (364ci) RPO L77 engine has AFM enabled, but does not use VVT. (The L77 also includes flex-fuel capability, allowing it to run on both gasoline and E85 ethanol.) ...

What happens if I delete a DoD/AFM tune?

Send in your ECM and we will perform a DOD delete tune permanently, so that it will only run in V8 mode. This will also take care of the AFM solenoid codes that would otherwise pop up when deleting DOD/AFM. When deleting the VVT system as well, it will not set cam/crank correlation codes either. ...

What happens if AFM hardware is removed from the engine?

With the AFM hardware parts removed from the engine, installers must modify the vehicle’s ECM so it will not set codes or try to command the AFM system, which would shut off spark and fuel to the cylinders. “A tuner is supplied with every AFM engine, allowing the installer access to the ECM and modifying the AFM system,” said Boeglin. ...