I've done a bit of reading on this and it seems the idea isn't only to burn the Hydrogen but that the hydrogen makes the gas burn much more efficiently thereby gaining net benefit.

Its really a difficult thing to gauge though so I'll wait and see I guess.

(aka suprathepeg, aka Sean)
89 v6 SWB truck "BLACK BEAUTY" EB valves, P&P head 30 over.
95 FZJ80. Lifted. locked and rollin on 33s (my dream machine)