Ok i am now the owner of 2 v8 cars, , 3.6 saloon and a new to me lhd s4 4.2 abh avant, amazing how different they are, anyway the s4 is a manual and i am looking at lpg conversion and a power increase, does anyone have any experience of either?i have just returned from south of france covering some 3000 kms at around 25 mpg and @2.0 liters of oil, otherwise the 4.2 ran beautifully , hence my decision to fettle it .

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