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Car Forum / Chrysler Cars / April 2005CNG conversion
Played with the numbers and I can save big $$ using CNG. I have a 04 Caravan (3.8L) and need a source of hardware to convert to duel fuel (gas/CNG and perhaps optioinal LP). Any input would be appreciated. > Played with the numbers and I can save big $$ using CNG. > > I have a 04 Caravan (3.8L) and need a source of hardware to convert > to duel fuel (gas/CNG and perhaps optioinal LP). > > Any input would be appreciated. Why would you want CNG instead of LPG? CNG has very limited range, plus high-pressure tanks are expensive. 04 model vehicle would almost certainly have plastic intake manifold. You'd need gas injectors fitted, total cost around 2000$ (I assume V6 engine?) for LPG, more for CNG. Check out http://www.lpgkits.co.uk/ Also, uk.rec.cars.fuel.lpg newsgroup is helpful Peter | > Played with the numbers and I can save big $$ using CNG. | > [quoted text clipped - 5 lines] | Why would you want CNG instead of LPG? CNG has very limited range, plus | high-pressure tanks are expensive. LPG is = or > per mile than gas, also I have a locked in low rate of NG for the next 5+ years. | 04 model vehicle would almost certainly have plastic intake manifold. You'd | need gas injectors fitted, total cost around 2000$ (I assume V6 engine?) for [quoted text clipped - 3 lines] | | Also, uk.rec.cars.fuel.lpg newsgroup is helpful Thanks. >>> I have a 04 Caravan (3.8L) and need a source of hardware to convert >>> to duel fuel (gas/CNG and perhaps optioinal LP). [quoted text clipped - 6 lines] > LPG is = or > per mile than gas, also I have a locked in low rate of > NG for the next 5+ years. Here in Old World LPG is about 2x cheaper than regular gas... or rather gas is 2x more expensive ;) You are bound to have a lousy range on CNG, probably 100-150miles. How you're gonna fill 'er up? A compressor is needed - are you going to buy one (expensive)? >> 04 model vehicle would almost certainly have plastic intake >> manifold. You'd need gas injectors fitted, total cost around 2000$ [quoted text clipped - 3 lines] >> >> Also, uk.rec.cars.fuel.lpg newsgroup is helpful Here's more: http://www.lpg-kits.com/index.htm Peter "Peter" | > LPG is = or > per mile than gas, also I have a locked in low rate of | > NG for the next 5+ years. | | Here in Old World LPG is about 2x cheaper than regular gas... or rather gas | is 2x more expensive ;) LPG is higher here than regular gas. | You are bound to have a lousy range on CNG, probably 100-150miles. How | you're gonna fill 'er up? A compressor is needed - are you going to buy one | (expensive)? did the deed years back (before all the regulations) compressior is not that expensive (pay out is less only a few months) Now need hardware that will comply with regulations. | Here's more: | | http://www.lpg-kits.com/index.htm Thanks >> You are bound to have a lousy range on CNG, probably 100-150miles. >> How you're gonna fill 'er up? A compressor is needed - are you going [quoted text clipped - 4 lines] > > Now need hardware that will comply with regulations. Interesting. Where exactly did you obtain the compressor? Was it slow- or fast-fillup one? I've been looking into CNG myself, but lack of decent filling stations network is holding me back. My house uses NG for heating so I could hook up the compressor and fill up the car overnight, but such compressors usually run into 2k$ or so. Peter | >> You are bound to have a lousy range on CNG, probably 100-150miles. | >> How you're gonna fill 'er up? A compressor is needed - are you going [quoted text clipped - 10 lines] | I could hook up the compressor and fill up the car overnight, but such | compressors usually run into 2k$ or so. We used a slow speed compressor and let it run almost constantly to fill a bank of high pressure tanks. When we needed to fill a vhicle we used the CNG in the tanks to quick fule the company vans. Most of the time we just did the deed but is we needed that maximum fill we would fill from one then another tank is sequence so that the last fill was a top off from a full storage tank. In parts of Texas there are fill stations often enough that you can drive across the state (1000 miles+) using only CNG but you still have to plan the trip. |
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