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theiowan

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It means you aren’t going to get stated MPG or HP/TQ with 87, but if it’s your only choice you are fine to use it.
Which only confirms what I said in the first place. this engine is detuned from the Alfa version to allow the use of 87. Whether use of 87 would reduce MPG remains to be seen. Use of 91 likely would reduce 0-60 times if that is important to you.
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JHJLUR

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Which only confirms what I said in the first place. this engine is detuned from the Alfa version to allow the use of 87. Whether use of 87 would reduce MPG remains to be seen. Likely would reduce 0-60 times if that is important to you.
It just means that the ecu will adjust to work with the 87, it’s tuned for 91, I’ve owned a bunch of modern turbo vehicles, the MPG will go down, how much, who knows, but it certainly will if it’s tuned for 91 but will accept 87 as the manual suggests..which is really what all turbo cars say, you arent going be be stuck without higher octane you just aren’t going to get optimal performance.... in other words, if you are going to buy the 2.0 you should certainly plan on using 91octane I’m not sure why you’d want to sacrifice some of the engines advantages with the 87.
 

Renegade

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I still haven't seen any info on the mpg of the turbo. I stuck with the V6, I really wanted the turbo. It's made in Italy and I think that's why it's late availability. It's an awesome engine. It being part hybrid though requires another lithium battery. It'll need replace too. More money I don't want to have to spend along with a turbo if that goes out.
A properly designed modern turbo shouldn’t “go out”. I had an Audi A4 with a 2.0T which had 170,000 on the original turbo and it still ran great. A friend of mine put nearly 300k on his before replacing the turbo. If Jeep (Fiat) designed and manufactured it correctly, it should provide many years of reliable performance.
 

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word302

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It clearly says 87 can be used. The HP rating is 12 HP less and the torque rating is less due to the permisable use of 87.
It also says some "knocking" may occur. Knocking is detonation. Detonation means your engine ain't gonna last as long.
 

JHJLUR

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A properly designed modern turbo shouldn’t “go out”. I had an Audi A4 with a 2.0T which had 170,000 on the original turbo and it still ran great. A friend of mine put nearly 300k on his before replacing the turbo. If Jeep (Fiat) designed and manufactured it correctly, it should provide many years of reliable performance.
Yup, you really shouldn’t have to worry about turbo longevity.
 

Man-of-methods

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A properly designed modern turbo shouldn’t “go out”. I had an Audi A4 with a 2.0T which had 170,000 on the original turbo and it still ran great. A friend of mine put nearly 300k on his before replacing the turbo. If Jeep (Fiat) designed and manufactured it correctly, it should provide many years of reliable performance.
Oh, I hear you. Not bagging on the turbos, I had one in an '89 Ford Probe GT back in the day with no problems. But like anything mechanical, they can go out. Then your talking some moolah to fix. Although, that wouldn't be my main concern, the lithium battery would be. And those aren't cheap to replace. Now THAT will eventually go out.
 

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AZCrawl

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It clearly says 87 can be used. The HP rating is 12 HP less and the torque rating is less due to the permisable use of 87.
Yeah, I guess if you want non-optimal performance, go for it.
 

drogers

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Oh, I hear you. Not bagging on the turbos, I had one in an '89 Ford Probe GT back in the day with no problems. But like anything mechanical, they can go out. Then your talking some moolah to fix. Although, that wouldn't be my main concern, the lithium battery would be. And those aren't cheap to replace. Now THAT will eventually go out.
Dealers might charge quite a bit for the battery, but a 48v .5-1Kwh battery isn’t really that expensive. You’re looking at $300-$400 *today*, with prices dropping regularly. I would t be surprised if we couldn’t swap in higher capacity aftermarket batteries down the road...
 

Tyrantresister

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I have always heard that turbo engines undergo a lot more stress, are less reliable, and don't last as long. Some people here though are trying to say differently? What is the deal with the lithium battery and where is that located? Does it have that in place of the regular battery in the pentastar jeeps, or is it in addition? How many miles / years does that battery last?
 

kholding

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We are all just speculating now and won't know until the 2.0 has been out for at least a year and we have evaluated the pros/cons in the real world. There will be rave reviews, hate threads, break-downs as well as no issues at all. Everything under the sun. Question today is: are you willing to test it out or wait it out?
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