05-09-2014, 11:18 AM | #1 | ||
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"there is certainly no final rush to the red line and the actual substance behind the last 1500rpm feels a bit thin" The EVO review, although pretty preliminary sums up nicely what I have been saying about the engine since the second I saw the torque curve (and pretty well knew as soon as the car was confirmed as turbo charged. My predictions have been the source of some crazy debate... Putting the statement above into it's full context... Quote:
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05-09-2014, 11:53 AM | #2 | |
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I don't mind short-shifting because it gives me something to do with the DCT and we will have to see some tests to see if it results in quicker acceleration. Meanwhile, I'd prefer a car with acceleration I can enjoy 98% of the time v. 2% in the old model. I can also appreciate that it may have been fun chasing that ragged edge. |
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05-09-2014, 12:12 PM | #3 | |
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05-09-2014, 12:51 PM | #4 | ||||
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What's confusing is that the reviewers have such different views on the engines character though... Just like on other things with the car. It's like they drove different cars... Like here on throttle response: http://www.completecar.ie/testdrives...aloon/722/3636 Quote:
But back to power delivery character. To post some differing reviews on top end power, that might put the "last 1500rpm" into context: http://www.topgear.com/uk/car-news/b...drive-2014-5-8 Quote:
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So, to me it's a bit confusing as we have such differing views. Some say the sound is glorious, some say it sounds like a diesel... I have read a few reviews that say there isn't a great reward taking it to the redline (while others say it is rewarding). But none that say acceleration drops off... In fact Top Gear says it's extremely linear, but that there apparently isn't an extra rush on top. Linear to me sounds different than falling off... Sure, there is no extra rush over 5500rpm, it just keeps pulling at the same pace all through the rev range according to quite a few reports. To me, there isn't any conclusive evidence Last edited by Boss330; 05-09-2014 at 12:57 PM.. |
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05-09-2014, 02:30 PM | #5 | |
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Besides, 80% of the reviews are a regurgitation of facts we've known on these forums for a while. Kind of boring frankly. Anyway, I love this car so far. These are really exciting times for M enthusiasts. The worst that can happen is someone will decide to pick up or keep an E9x M3 instead |
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05-09-2014, 10:49 PM | #6 | |
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05-09-2014, 11:02 PM | #7 | ||
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There is a distinct difference between driving like a maniac and accelerating very hard. I find that the proponents of "lazy driving" made easy by high torque engines consistently misrepresent this. Maniac driving is driving at such high accelerations that traction is sacrificed, or driving at speeds radically above the flow of traffic or posted speed, or cornering at a constant speed near/at/above the limits of traction. Pushing the pedal to the floor in a low gear in a car with power delivery like the current M3 isn't driving like a maniac. It does however make one feel a bit like an F1 driver. There is nothing wrong with more low and and midrange torque and power. There is nothing wrong with strong acceleration either at the wrong rpm (too low) or wrong gear. The price you pay is with with the excitement of the engine and the process.
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05-09-2014, 11:21 PM | #9 |
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05-09-2014, 11:23 PM | #10 |
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05-09-2014, 11:33 PM | #11 |
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I don't know how that comes up with our school system, but I do enjoy this conversation. It seems there is one in the red line, and then there are the ones who don't have to achieve it. I could be wrong, it has almost happened before!
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05-09-2014, 11:51 PM | #12 | |||
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05-10-2014, 02:48 AM | #13 |
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You're quoting crank torque.. Factor in gearing and the m3 puts down a lot at the wheels.. I'm sure swamp has more concrete figures (coming from former FBO 335i owner / current e92 m3 owner)
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05-10-2014, 04:18 AM | #14 | |
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But, "noticeable jerk" should be noticeable right? |
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05-10-2014, 01:06 PM | #15 |
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05-10-2014, 10:52 PM | #17 |
never could compete with Lloyd Braun
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05-11-2014, 02:45 PM | #18 | |
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05-11-2014, 02:53 PM | #19 | |
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C6 Corvette, 400 hp x 1st gear ratio (6MT) 2.66 x final drive (std) = 2904 ft lb M3 M-DCT 295 ft lb x 4.78 x 3.15 = 4447 ft lb. Now this is just one gear and peak values, but should get the point across. The M3 makes way more peak wheel torque in 1st gear than the C6 Vette. Now that being said, given the right gearing more crank torque can also translate to more wheel torque and with the M4 it has gobs more crank torque and gobs more wheel torque as well.
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05-11-2014, 02:56 PM | #20 | |
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So happy you're happy. Yeah, I got my facts straight Last edited by Jockey; 05-11-2014 at 03:05 PM.. |
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05-11-2014, 07:47 PM | #21 | |
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The problem with the s55, if it softens up above 5500 rpm, which I'm afraid it may, is that it's not a very special engine. There are plenty of motors with good midrange that go soft in the higher revs. There are very few motors that make high rev power the way the s65 does. |
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05-11-2014, 09:46 PM | #22 | |
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428 ft lb * 2.66 (1st) * 3.42 (final) = 3893 ft lb C6/Z51/LS3 numbers: 428 ft lb * 2.97 (1st) * 3.42 (final) = 4347 ft lb So M3 is a little higher in 1st, not way higher. |
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