Heaking back to when I drove an 89 Classic with 1.5+ tonne behind... it would give around 3.7 km/litre on LPG. Around 4.5 to 5 km/l on petrol
That was a 3.5 engine, in good nick.
Have you, or are you inclined to lash out on Snake Oil Spark Plugs ?
If so, here's a good place to start...
The world's most powerful spark plug from Enerpulse
At $11 or so each, not tooo bac when compared to local platinums. I'd allow $US 25 to 40 for shipping.
James in Gosnells
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