Lasted edited by Andrew Munsey, updated on June 15, 2016 at 1:17 am.
'Viggo's Report of Directory:Acetone as a Fuel Additive Effect on Mileage and Performance in his Opel Vectra'
Have run 4 tests (4 tanks) per jun 21th 2005, see results below and on the yahoo group database
Opel Vectra 1992
1.8 litre 4 cyl injection, 95 octane
Tank takes 50 liters gasoline
Normal mileage for local/city driving