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Old 09-30-2008, 06:10 PM   #14 (permalink)
aerohead
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Caddy

Quote:
Originally Posted by amcpacer View Post
That is an idea. Just keep the V8 and convert it to propane. I am interested in getting this car: 1967 Cadillac Fleetwood Brougham

I wonder what the cost to operate the vehicle would be on propane compared to gasoline. Also driving range would be an issue if say I take a trip across the USA and need to find places that sell propane only. Ill bet that cadillac only gets 9mpg on gasoline. Probably would need a giant propane tank to tow behind the car kind of like the space shuttles booster rockets.
amcpacer,would the present owner let you burn a tank full of fuel on a test drive? That way you'd know before you purchased.Also,if your going to do mostly highway travel,the smaller engine won't save you more than an mpg according to mid-1970s research.------------------- In the city,a smaller engine could actually lower your mpg as it would be under high load all the time,accelerating such a large mass.------------------------ Early 70s Buick Electra 225,with 455 cu in engine could do 21mpg,the Caddy might be good for high teens,maybe 20.
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