Few things I know.
SEVERAL people, including one county for all of their county vehicles (looked up on google) have installed the e85 electronic box and done no other mods. One guy that did just that has an H2 and from what it looks he has been going 60,000 Plus miles so far.
Here is one of the adapters:
http://flextek.com
The price of E85 should in theory always stay far enough below gas to make it worthwhile to run. If it didnt no one would buy it.....
Mike, i heard from others the same deal about e85 in the tahoe....definatly interesting. However, i also read up on people using e85 in other vehicles not having nearly as bad milage loss. Seems to depend on the vehicle.
--John
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2006 Hummer H2 Lux Series
www.JohnHasMoreFun.com
1/4 Mile 15.29@91.34mph
Mods:
Magnusun Radix Supercharger!!!
Switch to allow full Nav Controls while moving
Warn 9.5 Winch