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7AT, 7th gear: Cruising or Top Speed?
Couldn't find anything in the search function, so slay me if this did exist!
But yeah, just wondering if the 7th gear is used for cruising or top speed. My commute on the freeway averages around 70~80mph and I noticed that even on 7th gear, the RPMs lick 3K. Constant 3000 RPM seems a bit high for cruising in my opinion. :driving: |
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Surprisingly, I get better gas mileage not using 7th. The interstate I commute on daily is very hilly which causes you to basically floor it to maintain speed going up a semi-steep hill at 80mph. I find that if I stay in 5th I end up getting better MPG. YMMV.
Also, the FI exhaust in 7th up a big hill is fairly annoying on the inside :icon17: Note: On normal roads, I get better gas mileage using 7th. On the hilly interstate is the only place it is worse. |
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6th on MT and 7th on AT is really just overdrive, so its for gas savings |
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Overdrive to improve economy and allow for better spacing of other 6 gears.
I only use it for highway cruising over 70 or 80 MPH. |
5th on the 7AT and 6MT are 1.0 ratio, so 6th and 7th are technically both overdrive. Ever notice how the car shifts into 5th automatically if you switch into manual mode after cruising in auto? 6/7 aren't meant for acceleration, purely for fuel economy.
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I see about 2400 RPM in 7th gear at 70 MPH.
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7th on AT is for gas savings.
I could run 180mph at 6th on a TT 7AT, but I did not filmed. I don't know what is the limit of the automatic transmission, for this reason I don't give more. I'll try to record the next. Sorry my bad english :P |
mine like to shift to 6th at around 110
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And god bless you to buy a 370Z in Brasil, if I come can I stay with you??? (to our non Brasilians, the import tax is sonething like 500%, and you have to buy a brand new car... Can you say $200k 370Z?) |
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