I found this post over in the General Tech area. Looks interesting.

(ZX) could a conversion kit be this simple?

 

Not really a good idea to install an aftermarket kit that enable E85 usage, it looks as though this particular kit attempts to address only the fuel delivery factor.


Here is what GM say's about it:
Aftermarket Conversions of Vehicles to Use E85 Fuels .

General Motors has become aware of several companies that claim to be able to convert vehicles equipped with gasoline engines to be compatible with E85 Fuels.

Vehicles certified by GM as being FlexFuel (E85) compatible contain numerous calibration and component differences that are not conducive to an aftermarket retrofit.

General Motors DOES NOT support or endorse conversions that may alter the emissions and related emissions components of its vehicles.

Repairs that may result from changes to GM built components, and repairs that result from the use of improper fuel, such as the use of gasoline containing more than 10% Ethanol in a non-FlexFuel certified vehicle, are not covered under the terms of the New Vehicle Warranty.

 

If memory serves me (which it often doesn't), ethanol is kind of destructive to rubber parts and aluminum if they aren't designated for alcohol use.

 

I figured it was too good and simple to be true. Thanks for the clarification.