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Old May 30th 2003, 16:28
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Wally Wally is offline
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Join Date: Nov 2002
Location: The Netherlands
Posts: 2,552
Cool! I have my 1600 square with original twin 32 Solexes now running on LPG. The original gasoline system is working fine as well. The extra 60 liter tank has been mounted on top of the original tank. Since regular gasoline is 3 times as expensive and I am using it as my daily driver now, it does make sense to me. It has been given new, 'unleaded' heads when the conversion was done in 1998 (by the former owner). It runs fine. I believe LPG has a little bit less caloric value (less 'energy' in itself) but if I boost the compression ratio a little, that would equalize that. I don't notice any power loss even now when I change to gasoline while driving (there is a button to switch over). Also in general the milage is a bit less (less mpg).
The still liquid gas from the tank is routed through the exhaust (there is a tube welded in) to warm up the gas and then the gas evaporates controlled in a 'evaporater' and is routed to the top of the carbs. In water cooled cars, the liquid gas is routed through the (hot) cooling water in order to warm up. Thats the only difference.
Nowadays there are more modern ways for LPG induction, like direct and computer controlled injection. Maybe for the type 4, I will go a similar route, since I will need the injection system anyways to keep it all under the deck lid and have some good flow as well.

I'am sure your 2366 cc will run very strongly when assembled rightly and the ingredients you mentioned seem all fine to me.
Keep us posted on the results!
Walter
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