10-06-2003, 02:59 PM | #41 (permalink) |
Junkie
Location: San Diego, CA.
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Well, i dont know about the possibilities of the renesis, but with the changes they made to teh engine, once people start turboing it, it should hopefully put out phenomenal power. Mazda very well might offer a turbo later on, as well as rumors of an RX-7 return. They didn't put the turbo on their now though, primarily for cost. Their goal is a powerful, fun to drive sports car at a reasonable to low cost. If this one takes off i have no doubt that in a few years there will be turbo models from the factory.
Also, most people are putting down right about 190rwhp, not 170. At least from all the reports i've seen...
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10-06-2003, 08:22 PM | #42 (permalink) | ||
Insane
Location: [insert witty play on location field here]
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And as far as the realiability, rotary engines are by nature very touchy pieces of machinery. Talk to an RX-7 owner sometime about the tuning nightmares that come with a rotary engine. In other words, they are a motor dependant on balance....and once that balance gets thrown off (which it inevitably will) even just a little, it is HELL trying to get it back, and the engine is almost never the same. Dont get me wrong, I think the RX-8 looks cool, and I do like the idea of the rotary engine, but its implementation leaves something to be desired.... 190hp? for $32k or more? cmon.... |
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10-07-2003, 09:52 AM | #44 (permalink) | |
Still searching...
Location: NorCal For Life
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"Only two things are certain: the universe and human stupidity; and I'm not certain about the universe." -- Albert Einstein Last edited by madsenj37; 10-08-2003 at 11:43 PM.. |
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10-07-2003, 12:19 PM | #46 (permalink) | |
Psycho
Location: Wellington, New Zealand
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Smaller, lighter engines = lighter car. So the same HP gets you better performance, to boot. |
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10-07-2003, 02:37 PM | #47 (permalink) | |
Psycho
Location: PA
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"Old" tech: 5.7 L LS1 or LS6: 350 or 405 hp respectively. 400 lb long block 7.0 L ZL1 (1969): ~5-600 hp. 500 lb (very few were originally built, but all the parts to make a new one are easily found). New Tech: 3.4 L 1998 911 Carrera engine: 300 hp. 400 lb 3.6 L 1995 911 Turbo engine: 410 hp. 600 lb (!) I'm can't find M3 or Supra engine weights, but I doubt they're much different. You also bring up the physical size of an engine, which I don't see as being much different for any of the engines you mentioned. RWD cars mount their engines longitudinally, so underhood length, not width is most important. Both the supra and BMW are inline 6's, so they require similar space to a V12. Not exactly compact. I admire the engineering acomplishments on european and japanese engines, but I'd admire them much more if they applied the same technology to a larger displacement engine. Turbos are also good though |
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10-07-2003, 02:40 PM | #48 (permalink) | |
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"Only two things are certain: the universe and human stupidity; and I'm not certain about the universe." -- Albert Einstein |
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10-08-2003, 02:05 PM | #50 (permalink) |
Junkie
Location: San Diego, CA.
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StingC ... you didn't throw in the numbers / advantages of teh rotary in there. It is in a class all its own.
13b turbo with all the piping. Can hit 500hp without too many problems. About 250lbs or less. Thats longblock power at half teh weight. That is a significant difference. When you consider its used in cars built for handling, not straight lines, you get even more advantage. Unlike the v8's or i6's you are talking about, they are much shorter and lower. This puts the weight more toward the center of the car, and less around the edges, which leads to better handlign and center of gravity. That is why HP/L comparisons matter. though they all get thrown out teh window when teh rotary is considered. As for applying that same principle into larger displacement engines. Check out teh 20b. 2L of displacement, with another rotor. That gives you 3, rather than 2 rotors to make power, out of an engine about teh size of a v6. They also made an insano 4 rotor version for their LeMans car.
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10-09-2003, 08:30 PM | #52 (permalink) | |
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Location: NorCal For Life
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I believe that for instance the engine used in the 350 Z is new this year ... why did not it win?
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"Only two things are certain: the universe and human stupidity; and I'm not certain about the universe." -- Albert Einstein |
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return, rotary, rx8 |
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