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My GC SRT14 vs. 2014 BMW X5

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2014 srt
7K views 54 replies 18 participants last post by  kilad4n 
#1 ·
#2 ·
Was that a BMW X5 M series?


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#3 ·
looks like you had him in the quarter mile and then his twins took over for a better top speed. Plus its hot and humid where you are so the turbos will perfrom better
 
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#46 · (Edited)
Just throwing it out there..
Actually the Bema win if that was a 1/4mile races start at (4secs) Bema ahead of jeep at 16secs. This is based if both Bmw/Jeep are stock...
 
#17 ·
agree with scott, no way he would have beat you if there was low humidity and lower temps. these srt's love the cold air.....my times fluctuate almost a full second depending on weather.
 
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#25 ·
they love cold weather like any other engine...but they aren't affected like normally aspirated V8s are...that's the point. They have intercoolers to cool that charge air some
 
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#26 ·
Actually, they are affected more than naturally aspirated engines. The reason they have intercoolers is because compressing the intake charge makes it VERY hot and it has to be cooled down to avoid losing a ton of performance. And of course an intercooler can do it's job better and easier when the outside air is cold rather than hot.....that hot outside air doesn't help performance at all in a turbocharged application.

Anyway, the point here is that the BMW was NOT at an advantage because of the hot & humid air. If anything, it was at a disadvantage because of the fact that it's has turbos. The BMW's turbo engine will run quite a bit stronger in cold temps. Hell, my own car will run higher boost in cold weather than it can in hot weather. The increased boost level alone makes a difference in performance.
 
#28 ·
sorry...but the hemi engines are notorious for being affected by hot humid air...plus he has a hot air intake. READ the thread please instead of coming in here looking for an argument like 99.9% of your posts. Ive owned 6 twin turbo charged Mitsu 3000gt and Stealths...I know the BS you posted.
 
#32 ·
Note to self: Never try to talk performance on a Jeep forum...stick to offroad and mud talk only:lol:





All engines are affected by heat. Hot air is less dense. Some engines are more affected by heat than others, that much is true. But turbo engines are far more affected by heat than ANY naturally aspirated engine. If you have owned turbo cars, then it is shocking that you don't already know that. And if you do claim to know that, why would you say this:

.... Plus its hot and humid where you are so the turbos will perfrom better
The turbo engine will perform worse, not better. And if you were trying to say that the turbos will perform "less worse" than the Jeep's engine, that's false too.

Okay, I'm done. Like I said, I learned my lesson to not talk performance on a Jeep forum. Apparently, that's like talking finance on a food forum.:lol:
 
#30 ·
oops. scott beat me to the punch.....
 
#31 ·
I'm no guru but I like to believe in the numbers that the manufactures post on there cars specs and to me it don't matter weather it was a hot day or night for the HEMI motor or the Turbo motor but that BMW will win look how quick it gets the torque down to the ground at very little rpm and it's the Nm that count , what's the SRT SC torque getting at what rpm I can't recall ? ..

Beemer Max Power 330kw @ 5500rpm
Max Torque 650Nm @ 2000rpm

SRT Max Power 344kw @ 6250
Max Torque 624Nm @ 4100


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#34 ·
Because that's my experience. ...my turbo engined cars performed better than my na cars in the heat. Just my experience. ....so go take a leap off a cliff for all I care. You add zero to this forum. ..never have and never will. according to you......you've owned every car or engine known to man....4 wheeled every 4wd as well. Youre just a damn auto expert.....lol. You must been your every wakened hour driving various automobiles in your collection.
 
#38 ·
It looks like everything I posted about the SRT falling short has come to roost. In a way, it a good thing the little X5 in grocery getter trim takes the modded SRT at the end of the quarter. Hopefully when the SRT heads catch wind of this they will be embarrassed and have to step up not just to compete, but to win.
 
#39 ·
Get the Bwoody man way better CAI. But after 1/4 mile and the turbos in the Bimmer kick in its gonna fly by us. But like scott said who races for more then a 1/4 mile anyway. lol.. Turbo VS non-turbo isn't a fair fight anyway..
 
#40 ·
We cant say turbo vs NA is not fair fight cuz those are the competitor in the market otherwise to whom will you benchmark your car ? So i think SRT engineers should think in different way like what they have done on the callu and charger bu placing the SC hellcat , this is the way forward
 
#52 ·
also wonder what the altitude was where the video was shot as NA engines are more affected by this than turbos are as we all know.....
 
#53 ·
I think it's a good thing that BMW beats the SRT or any other car ,as we all no competition is great to push the other manufacturer to do better isn't that why they built the Hellcat to be top dog for a while ? , now Ford are building something to beat the Hellcat and so are other manufactures to keep up ..The only time it becomes dangerous for us consumers is when the price becomes unaffordable to the point where the average joe can't afford it

I say bring on the challengers towards the SRT brand name so Jeep can push something better in the next gen SRT's , and bang for buck you can't beat the SRT it just a bloody good performance car for your dollars and to be honest it's very cheap car to mod for extra HP ,I mean it's really not that expensive to put on a RIPP SC or a Whipple SC for that extra tang in the donk ..


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