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Sedans Midsize Sedans 2.0
13272 messages, Last post on Nov 29, 2009 at 9:13 AM
You are in the Sedans Forum. Your Hosts are pat & karens
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Replying to: mz6greyghost (Aug 11, 2008 12:14 pm) |
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I checked today to get the correct figure, I was right on 2250  60 mph, so at the 70 mph that was being compared before, it would be 2625 rpm. This is for a 2007 Mazda6i with the 5 speed automatic.
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Replying to: jeffyscott (Aug 12, 2008 1:25 pm)
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Replying to: thegraduate (Aug 12, 2008 2:16 pm) 60mph ~ 2000 RPM 65mph = 2050 RPM 70mph = 2200 RPM 75mph = 2350 RPM 80mph = 2500 RPM The funny thing about those results is that until you get to around 65mph, the revs don't rise in a normal fashion. In fact, they're modulated based on speed; at around 25-30mph, the revs range from around 1000-1200 RPM, but around 60mph, the engine revs to almost exactly 2000 RPM. It would make sense on a normal automatic, but since the CVT modulates power differently, it's not exactly 28-29 mph per 1000 RPM. Weird huh? 
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Replying to: madpistol (Aug 12, 2008 5:29 pm)
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Replying to: backy (Aug 06, 2008 3:30 pm) That said, I definitely will pay attention to fuel consumption increases reported by the trip computer and more likely dismiss the 'calculated' method - if I'm looking to further evaluate how well my car is running at any given time. |
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Apparently the Mazda6 manual transmission (in the outgoing model) just about drops the top gear compared to the automatic. I believe that someone had posted that their manual Mazda6 runs at 3400 rpm at 70 mph. Today I noted that at a steady 35 mph, I was at about 1800 rpm in 4th gear, so the auto would be at 3600 rpm in 4th at 70 mph. That is nearly the same rpm as the manual in 5th. Regarding filling gas tanks, I think some cars have better "fillability" than others. This is one of those little things you find out after owning a car for a while. I have to say Mazda seems to have done a great job on this with the 6. Every time the pump clicks off, it is pretty close to as full as you can get it. Most cars I have had would click off, then I set the pump on a lower rate and a fairly significant additional amount of gas goes in before it clicks off again. With my Mazda6 after it clicks off on the high settng, if I try it on a lower setting it clicks off again immediately and not much can be added by manually topping off either.
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Replying to: akirby (Aug 13, 2008 4:14 am) The CVT is I would guess the tranny of the future in this (and other) classes, simply because it is mechanically simpler and offers less mechanical losses (better FE) than the conventional auto tranny. The driving experience may never be quite the same...
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Replying to: jeffyscott (Aug 13, 2008 1:08 pm) I own a 2005 Mazda5 4 cyl mtx and I spin 3,200 rpm's going 70 mph in 5th |
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Replying to: captain2 (Aug 13, 2008 1:19 pm) Ford is going with dual clutch Powershift in their new small cars claiming 10% better economy over a 6 speed auto. Other than Nissan - who is committing to CVTs?
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