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Now I don't know if this will work or not with NG but a friend of mine was telling me about this piece of equipment that attaches to your air intake hose right between the intake and Filter. Its called a fuel genie. Has anyone out there ever heard of it and does it work on NG as well as gasoline. Apparently on Gasoline motors it saves quite a bit of money. If this goes the same for NG then there is another reason to switch over.
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Re: another thing that might save gas
Consumer Reports thinks it is a waste of money, that it does not work...
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Re: another thing that might save gas
However, better airflow intake like K&N or Fram do work. These work by replacing OEM molded plastic intake with smooth aluminum or steel air intake tubing. At a minimum, could replace the paper air filter with free-flow Fram or K&N sponge filter, and get immediate fuel economy improvement.
It's sad that consumers have to spend $200 to $400 on K&N/Fram when OEM manufacturers should have designed better air intakes in the first place.
Also, standard OEM cast iron exhaust manifold with constricted flow is another waster of power and fuel economy. Installing header will improve power and fuel economy by say 10% to 14%. This is another OEM failure as they only put headers on Corvette which I hear gets 28 mpg highway with 400 to 500+ horsepower!!
This summer hope to purchase and install headers on Chevy Cavalier bi-fuel and see what fuel economy & power improvements I get.Comment
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Re: another thing that might save gas
It's true, I drove my dads 99 C5 on the freeway and the computer says 30mpg when I set the cruise at 70mph. I read the C6 Zo6 is rated at 28mpg on the highway with a good 505hp! That's the best mileage of any muscle car, hands down. I guess you could call it green muscle. Lol. Can't wait for the new ZR-1 to come out, 620hp supercharged. I wonder what the gas mileage will be. I'm guessing 25mpg highway.Originally posted by cngacrossusa View PostComment
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Re: another thing that might save gas
I had a 1999 Trans Am Firehawk with the LS-1 and 6-speed and got 28mpg at 65-70. 0-60 in 4.9 secs. At 60 it's only doing about 1000 rpms in 6th, so it's easy to see why the high mpgsComment
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Re: another thing that might save gas
If your vehicle has a plenum, the K&N filter, cold air intakes, throttle body spacers, will not work. You may see an increase in HP when you stomp it, but no mpg gains.
I have the K&N drop in filter and did get a slight HP boost, but no mpg gains.
Computers lie. To do a real mpg test you must run at least 5 tanks through and calculate it on paper, then average those. If I zero my Yukon XL with my wife and 5 kids in the car and drive it 55, it will go up as high as 24 mpg!!!Comment
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Re: another thing that might save gas
I've always been skeptical about the K&N tests I've seen on Dynos where they remove the air box and snorkel (which led to outside the engince compartment) and replaced it with a cone-lile open filter exposed inside the engine compartment. Primarily because the dyno tests where always done with the hood open, allowing the K&N to get cool air. But with the hood closed, it would be much warmer air in there, and without the cold air snorkel......
Cold dense air is the panacea for could combustion. Supercharging / turbos get the density, and the intercooler helpers cool it down some, but colder yet would be better.Comment
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Re: another thing that might save gas
TheBundo: You are correct on all points. At dodgefourm.com the guys are relpacing the $250+ CAI's with round 14" filters that cost $40 or less. The results are the same. One guy(an engineer) did a seveal quarter mile tests. He tested clean, dirty, CAI, KN drop in, NO FILTER and the results were with a few tenths of an second of each other.
But young guys think the cold air intakes look cool-so they sell.Comment
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