Gm-LSX

Hey

Any news on transforming a standard GEN IV engine into a GEN IV FLEX FUEL engine? From what i read all engine use the same E38 Controller and 58X Ignition System. The recognition of the fuels ethanol content is done by the Stock O2 sensors an Flex Fuel specific controller calibration/software.

Does this mean i can take:

cheap 4.8 Engine (300 HP)
LS2 (400 HP +25%) Intakemainfold (That will fit under my hood) with the bigger injectors
Controller (Or BIN-File) from 5.3 LMF
Dynotune on E85
Test run on Regular or Premium.
Give a **** about the EPA (cause there is none in Europe)

And be done?

Or is there something i miss?

bigredexpress99

iTrader: (15)

The fuel system on the flex fuel vehicles are designed to withstand the high alcohol content - I.E.: All Stainless metal lines, special o-rings and rubber lines. The pump is different, the evap system is different, the lines are different. Just food for thought.

Gm-LSX

Which O-Rings exactly? From what i heard the GEN III Engines have no Problems at all running (only) with E85. So it's just about having an extra insurance on corrosion?