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SUVs Mazda CX-7 Mazda CX-7: Bring the diesel version to the USA!
22 messages, Last post on Mar 01, 2009 at 11:14 AM
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I absolutely love this car, but with gas prices rising anything that gets 20 miles per gallon or less is too costly. With clean diesel coming to the USA at the end of 2006, I don't understand why they won't bring the diesel to the US in addition to Europe in 2008. Doesn't make sense to me. Please Mazda! You would have an easy sale if you did.
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I loved the car as well and was going to get one. However, after I looked at the mileage I decide not to get one. |
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Also, please please let me have the six-speed manual.
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Replying to: lineman (Jun 15, 2006 8:04 pm)
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Replying to: rmcclimond (Dec 22, 2007 6:34 am) |
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Replying to: rmcclimond (Dec 22, 2007 6:34 am) |
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Replying to: rmcclimond (Dec 22, 2007 6:34 am) |
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| I love Mazda, but prices for gas increasing nonstoppable, Mazda needs diesel for North America's huge market. I gonna change company if Mazda still waiting and thinking. | |
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Replying to: lineman (Jun 15, 2006 8:04 pm) Any gasoline engine can be converted as all the engines in the past 10 years have engine computers that will advance the engine timing to take advantage of higher octane fuels. Propane has an ultrahigh octane of 105 ( R + M ) and the knock sensor on the engine will not detect any detonation until the engine computer advances the timing to the max. This allows better fuel mileage and performance compared to 87, 89 or 91 octane gasoline which costs WAY more. The other advantage of doing a propane conversion is you can buy a used car or truck and have it converted. The best port LPG fuel injection systems allow you to leave all the gasoline system in place and add on the total LPG system. The car starts on gasoline and if the engine is cold, after 3 or 4 minutes, it switches to propane automatically. When you run out of LPG, it will automatically switch back to expensive low octane gasoline. Of course, the minimum tax break for conversions to propane is a Fed tax deduction of $3,000. For trucks over 10,000 GVW, the Fed tax deduction is $5,000. There is also lower state and Federal tax on the fuel and some states also rebate part of the sales tax you paid to buy the vehicle even if you bought it 2 years ago. Running on LPG is so clean that the engine could last at least 2 or 3 times longer than operating on gasoline or diesel. The exhaust systems and cat converters can last an easy 300,00 to 500,000 miles as propane burns hotter than all other fuels so it burns off any moisture buildup in the exhaust which causes rusting. Heat is energy and pound for pound, LPG burns hotter and cleaner than the other fuels including CNG. CNG also gives very poor mileage which is why the Nat Gas companies try so hard to bribe you with rebates. CNG sucks bigtime. I have driven all the alternate fuels in COMMERCIAL vehicles for almost 2 million miles over 26 years. Propane works the best because it's very high hydrogen content ( 18% ) burns so well. After all, propane is found as is, in the ground with butane and natural gas (methane) and it is not refined, just separated out from the other fuels. Expect to loose about 10% in MPG with propane over the same engine running on gasoline if you have any engine built in the past 8 years. Trust me, it's worth the cost of conversion. Instead of buying a 4 cylinder engine to save on fuel, buy a V6 and convert it to propane for longer engine life. In a full size pickup truck, or Cubevan, go for a V8 over the V6 as you will have a longer engine life and enough power to do the job without straining the engine. You may even get better MPG with the bigger engine as the rear axle ratio will be lower as well operating at lower RPM on the highway. This also adds to engine life as well. Many of the people in the limo business that use LPG have an engine life of over 700,000 miles on propane without even doing a valve job and almost no oil consumption. You were saying.....? |
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Replying to: mark4biodiesel (Mar 16, 2008 12:09 pm) From what I found you have to convert to only run on an alternate fuel to get any tax break. Where would you put the tank in a small SUV like the CX-7? I think the diesel option in a small SUV would be far superior to any other fuel source. With a 4 cylinder diesel engine it should be easy to get 35 MPG on the highway. You would be hard pressed to get better than 20 MPG with LPG. And it is comparably priced to diesel in CA. You can also hang a couple 5 gallon cans of diesel on the back of the rig for those long jaunts into the wilderness camping. |
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