a quick ? for anyone with a turbo
If you have a trubo Iwas curious to know what you #'s like. I am also curious to know if you get better fuel economy or not? Ive heard most people get better fuel economy and power out of turbos just wanted to know if its true with these cars?
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you don't turbo a car to get better mileage than stock. But you can get V8 power with V6 mileage.
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I know that but was just curious if they get better gas or not.
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They do up your mpg if you drive like a normal person. As soon as you get on the throttle the mpgs dip, but according to several sources, people with turbo'd vettes get like 35-40 mpg when they aren't showing off/racing.
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I guess I kind of find it hard to believe putting a restriction in the exhaust and intake tubes will increase gas milage by such a high amount. I can see losing gas milage before gaining, but I certainly can't see how someone would truely get 10+ mpg better with a turbo on their car. You'd think they'd throw them on the Prius then. But who knows. Maybe we should put it on Mythbusters. Does adding a Turbo to an otherwise stock car, improve gas milage? |
Well driving a C6 on my birthday last September, I averaged 31 mpg in a vette that's rated at 26 on the highway. That's including a few fun spurts. Io if there's a 4mpg gain by driving a turbo normally, then that's 9 right there.
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I never said I was buying a turbo just to save gas. I brought it up cause some pople say you don't get better gas mileage. My buddy has one on his caliber now and gets 7 more he says. I care more about the power gain than gas just thought that if it did get better gas its a plus so that why I asked. I still plan to buy one later even if I only get 10 miles to the gallon.
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I've turbo charged two vehicles, a 2.0 Jetta ('03 model) and a Jeep Wrangler. Neither of them increased fuel economy. I'm hesitant to believe anyone that claims to get increased fuel economy. The only way to benefit from adding more air is to also add more fuel. Even if you shift before full boost the ECM still adds more fuel to keep you from running lean. A four banger with a turbo that puts out as much power as a V6 gets about the same gas mileage. I may be wrong, but experience and simple logic tell me that forced induction does not increase fuel economy.
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When you turbocharge or supercharge an engine, you're doing more than just packing more oxygen into the cylinders and letting yourself burn more fuel. You're also packing in inert gasses like nitrogen that will help you turn the heat of burning gasoline into the physical push of expanding gasses. The denser air is before it's heated (whether it's dense because it's cold or because you compressed it), the more efficiently you can get a physical push out of it by heating it up with burning gasoline. |
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The Jeep is still just a toy and only sees off road use so MPG is and has always been garbage. The Jetta was my daily driver for two years, ten months of which were with the turbo. I drove it every way you can, hard, gentle, and in between. I never saw an increase in economy. At WOT I knew there was no way in hell it would improve but I was a little disappointed when I saw no improvement (versus stock) with old lady throttle. Full boost (small turbo scavenged from a 1.8t) was acheived at 1800-2000 RPM. The best MPG I got out of it was 27 when I would shift around 1500. I would still have the car were it not for a moose stepping into the road.
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if you want better gas mileage dont buy a turbo. youll be in the throttle all the time.
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