04-22-2014, 02:39 PM | #141 | |
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04-22-2014, 02:56 PM | #142 | |
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It's a shame that BRZ or FRS are not offered in FI from factory since I believe it's the only downfall of these cars
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04-22-2014, 04:47 PM | #143 | ||
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@DeeezNuuuts83 Quote:
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04-22-2014, 05:18 PM | #144 |
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Uh, have you scoped the LT1 in the new Corvette? It's pretty ridiculous what GM's done to the OHV engine...
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04-22-2014, 05:29 PM | #145 |
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please elaborate ..
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04-22-2014, 05:39 PM | #146 |
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04-22-2014, 05:39 PM | #147 |
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04-22-2014, 05:45 PM | #148 | ||
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When dealing with cars that already have high specific outputs but are for more mass-produced cars, it's a little more difficult to push the envelope further. If you're someone like Ferrari or Porsche, sure, you have the funding for it along with the clientele who will gladly buy it regardless of how much more it will cost to make it a sensible investment. But if you have a Honda motor or a Mitsubishi/Subaru engine with a big turbo on it, sure, you can get more power, but there will be more compromises to be made during the process. Quote:
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04-22-2014, 06:07 PM | #149 | |
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AMG's 6.2-liter was just a hair less torquey given the slight displacement deficit but even in its M156 tunes (rather than the M159 tune in the SLS AMG, which isn't really a fair comparison), it still matched or beat its hp and torque numbers in most applications above the standard C63. How come its highway mpg was so poor in comparison? I'd assume that the car had enough bottom torque to keep the car moving at highway speeds without needing too many revs (like the LS7 or even the LS3, which was also a 6.2), yet its gearing wasn't really as tall as it could've been, especially with a seven-speed transmission. |
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04-23-2014, 10:19 AM | #150 | ||
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^I honestly can't figure that one out either.
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04-23-2014, 11:53 AM | #151 |
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Except in their home markets. Remember that in Japan, there are some taxes associated with the engine displacement, so they had no choice but to push the envelope before going bigger.
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04-23-2014, 12:35 PM | #152 | |
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My father runs a C6 Z06 and the motor is turning about 1200 RPM at freeway speeds in 6th gear. Mechanically, redline in 6th gear is somewhere north of 300mph. |
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04-24-2014, 11:13 AM | #153 |
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Depends on how narrowly you define packaging. I'd include low weight and low COG as engine packaging essentials for sports cars, not sure how well Chevy does on that front...
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04-24-2014, 01:15 PM | #154 |
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Quite well - the pushrod V8 is quite a bit lighter than an OHC engine of similar displacement (an LS7 is around ~450lb), and it fits pretty low in the car as well. The center of gravity of a recent corvette is somewhere around 17.5-18", which puts it in the same ballpark as the BRZ/FRS.
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