The tank is quite small, about 35 litres, as it fits in the spare wheel well
- the original petrol tank is still in place. I can get 180 miles from full
to the moment the engine starts dying and I have to switch back to petrol.
The petrol tank is probably at least 50% bigger, plus you get a few more
miles from a gallon of petrol. That's probably the biggest down-side to the
system. It's enough to last me a week between fill-ups, just. Some 4WD
vehicles I've seen with rather larger tanks, but they take up more luggage
space. Still, beats my Spitfire which I had to fill every 3 days, albeit on
quite a long commute!
The fuelling system certainly takes input from the lambda sensor in the
exhaust (I know 'cos I had to check it and clean it to pass emissions last
month!), don't know what other inputs it takes, haven't checked it out in
2008/6/23 Christian, Skip <email@example.com>:
> How about propane tank range ? Can you go the same number of miles on
> a full propane fill-up as you could with full fill-up of the stock gasoline
> tank ??
> On your Subaru, does the oxygen sensor meter the propane mixture like
> it does with the gas mixture ?
> Thanks, Skip
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