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04-20-2012, 10:45 AM | #23 | |
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I'm not knocking the M3, obviously I bought in because I prefer it but the numbers as seen out on the track for the 1 pretty much speak for themselves as far as the viability of its powerband when compared to the M3. Whether you or I or anyone likes the way it delivers that power is subjective. |
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04-20-2012, 10:52 AM | #24 | |
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Surprised this thread hasn't degenerated into a shitstorm yet to be honest. I assumed the initial intention was to simply kick the hornet's nest. |
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04-20-2012, 11:59 AM | #25 |
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I was thinking the same thing when this thread started. I think most folks actually like the 1M. I had the chance to drive one and it was a blast. I think it is more fun to drive around town than my M3 however, once I pull onto the Autobahn it is M3 all the way for me. The 1M is just a bit too cramped for me and IMO not as comfortable on the longer trips...the engine/exhaust was also kind of boomy while cruising too. While great for short periods of time, it would get annoying for me over the long haul.
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12-09-2013, 02:07 PM | #26 | |
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12-09-2013, 02:25 PM | #28 |
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so if I'm reading this right, the 1M is a faster car until its HPFP goes out and goes into limp mode......
Does this mean the new M3/M4 will also be WAY underrated from the factory? |
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12-09-2013, 02:25 PM | #29 |
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Having had both the M3 and 1M at the same time it really depends what your overall goals and preferences are with the car. If you want to drive everyday and have gobs of power all the time the 1M is the way to go based on it's torque delivery. If you typically do a lot of highway or freeway driving then the M3 is awesome! When it comes to track use, it depends on the type of track, whether you can stretch the legs of the M3 out or not. The 1M is just as fast or faster around the track when compared to the M3. Just my experiences as I have had an ESS tuned 1M and an ESS tuned M3 as well as a ESS S/C M3.
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12-09-2013, 03:13 PM | #30 |
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The 1M rated at 335hp dynos 320-340whp stock. The M5/M6 rated at 560hp dynos 520-550whp. I can see the M3/M4 dynoing 390-410whp.
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12-09-2013, 08:00 PM | #31 |
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12-09-2013, 09:24 PM | #32 |
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12-09-2013, 10:39 PM | #33 | |
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But when it comes to power, the M3 has the upper hand. Up to about 80mph, it is pretty even (similar power to weights) after that though, it is a different story. My buddies say it is just frustrating to see my M3 pull away on the straights... To me, it does not make sense that a stock 1M puts more power to the wheels than an stock M3, something is at odd... |
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12-09-2013, 11:13 PM | #34 | |
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Most B,F,K series Hondas, the coyote 5.0 etc etc etc |
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12-10-2013, 01:04 AM | #35 |
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12-10-2013, 01:59 PM | #36 |
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12-10-2013, 03:47 PM | #38 |
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Define substantial? 1HP or 2HP? It's definitely not 10HP.
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12-10-2013, 06:18 PM | #39 |
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Conventional wisdom says that conservatively, 1lb worth of rotating mass lost is roughly equivalent to a 4lb sprung mass lost. This being said, I don't think there's any way to get an exact measurement. Even where the rotating mass is lost will make a difference. 1lb lost at the tire tread will make a bigger difference than 1 lb lost near wheel bolts.
In terms of converting that to horsepower, it depends on the power to weight ratio before the weight loss. For instance, let's just assume we agree with the 4/1 ratio for rotating vs spring. Let's further assume we're talking about a 4000lb vehicle with 500hp (ie. much like an E60 M5). We're starting off with a 8 lbs per hp ratio. Let's take 50 lbs off of the rotating mass. Given our 4/1 assumption above, that is equivalent to losing 200 lbs. We're now at 3800lbs and 500hp, giving us 7.6 lbs per hp. If we wanted to do this by increasing horsepower instead of losing weight: 4000 / 7.6 = 526hp In other words, we could gain 26hp and we'd be at the "same place." How much weight would we need to lose to be equal to a 100hp gain in this example? 4000 / 600 = 6.67 lbs per hp 6.67 * 500 = 3333.3 lbs 4000 - 3333.3 = 666.67 lbs sprung weight lost 666.67 / 4 = 166.67 lbs rotating weight lost 166.67 lbs is a LOT of rotating weight to lose. |
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