C&D is talking about the new CTS-V (I just love when they add it will be "Cadillac's 550 HP M5 Beater").
Hmm, a supercharged 6.2 LSA designated engine...seems forced induction is the way to go to get more power, eh? Pushrod 16 valve and intercooled engine, expect 550 hp and 550 ft pounds.
You may not like the looks, but they are raising the performance bar (always chasing the Germans and getting closer?).
Well the performance is nice, and the price is right on that. Hopefully it turns out to be a good, reliable, and fun car. Don't like the fact that it is pushrod though, why not go with ohc? oh well.
Don't like the fact that it is pushrod though, why not go with ohc? oh well.
Just curious as to why people are so opposed to pushrod technology.
I don't think valve float is a problem for its intended redline.
Benz went from 4 valves to 3 valves.
Yamaha's YZF-R1 went from 5 valves per cylinder to 4 valves.
Honda's V6's use single overhead cams.
I can understand why 4 valves per cylinder and twin cams are used for racing engines. But for road going vehicles, it is not clear to me that pushrod is an inferior valve train technology. From an engineering view (marketing aside), it could be an equally competitive technology. There are no racing rules restrictions. An engine designer can design what will work best with either valve train technology.
Well the performance is nice, and the price is right on that. Hopefully it turns out to be a good, reliable, and fun car. Don't like the fact that it is pushrod though, why not go with ohc? oh well.
ohc is more expensive, more complicated, and more liable to cause problems.
An OHV motor is lighter, has less valvetrain, is simpler, more reliable, less likely to have chain issues, and a whole lot cheaper to produce.
GM has always used cubic inches to make its power, and big cubes combined with some good flowing heads and a poweradder results in big power in a reliable, compact, light, and cheap setup.
fwiw, the northstar OHC motor has been problem riddled for years.
No, but seriously. If any of you had been at the Geneva car show this year, they had the CTS-V on show plus a nice little trophy with a "Car of the Year" give to them by some American magazine.
Yet, there wasn't a soul around the car. Nobody gave a sh1t. The stand was empty. People were practically avoiding the car, it just reeked of ugly
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