
Re: Series 3 doors and an LPG conversion Posted by Michael from Oz on August 30, 1998 at 02:56:05: In Reply to: Series 3 doors and an LPG conversion posted by Jason on August 25, 1998 at 04:50:08:
G'day As for LPG, If your engine will run on unleaded fuel, it will run on LPG without damage (hardened valve seats). An LPG conversion consists of a pressure tank (about 60 - 80 litres), a regulator, and an additional "carburettor" which is fitted in series with the original petrol carby. There are electronic fuel switches for petrol and LPG so that you can switch between the fuel types. The regulator must have a engine water supply to stop it freezing. Power is very slightly down on LPG but you won't really notice it, emissions are WAY down, and fuel consumption is slightly higher (about 5 - 10%). The engine may need to be started on petrol in cold weather then turned to LPG once warm (after letting the petrol in the carby run dry). The V8 engines are a little more complex as they have two carbys and need two LPG carbys. The 6 cylinder engine does not have hardened exhaust valve seats and is not easirly converted. The 4 cylinder petrol needs an unleaded head or you need to continue to use quite a lot of leaded fuel as well. In Australia a conversion costa about A$1800 (multiply by 0.55 approx for US$) Hope this helps - more? - just call again. Michael
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