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Pontiac G6

2406 messages,  Last post on Jul 28, 2009 at 11:48 AM

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What is this discussion about? Pontiac G6, Coupe, Sedan

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#41 of 2406 Pontiac G6 by jchan2 Sep 12, 2003 (6:37 pm)
What I would really like and would have expected from Bob Lutz is at least an interior that is Toyota/Honda quality levels and a car that has a DOHC engine to attract some other import buyers. (I'm fine with whatever engine they put into a car as long as I like how I'm getting the power and whether the engine is fuel efficient enough for daily use.)
#42 of 2406 by regfootball Sep 13, 2003 (11:48 am)
"According to this article though there is no DOHC. LOL imagine a manual tranny on an OHV sport sedan! Woohoo rev to that 5500 RPM redline! Guess they are not trying to attract import sport coupe buyers"   looks like the accountants at GM won again!   5500 rpm redline, LOL! Lots of classic 'launch feel' from the aggressively geared throttle linkage!   the G6 concept was hot looking now this spy shot shows a car that is bland exterior like the base Mazda6.   So why get a G6 then? Just get the 6, it looks the same and the 6 will have superior mechanicals and interior.
#43 of 2406 He, he, he..... by jchan2 Sep 13, 2003 (12:55 pm)
The accountants won against the engineers again! And that's what? The 600th time in a row?!
#45 of 2406 by mongoose562 Oct 16, 2003 (7:36 pm)
You're going to rate a car that hasn't even come out yet... at least give it a chance to make it's mark. The production version hasn't even been released yet. Although I do like DOHC engines, I don't like the Asian DOHC engines because their torque curves are WEAK. There's nothin wrong OHV, just because it has a lower redline doesn't mean it's a weaker engine.
#46 of 2406 by regfootball Oct 21, 2003 (8:11 pm)
no, they just poop out sooner.
#48 of 2406 by gunit Oct 29, 2003 (11:22 am)
<<no, they just poop out sooner.>>   Says who?? RPM means nothing... tell me about the 0-60 and 1/4 mile times and top speed. That is what counts, NOT RPM.   So then the Corvettes OHV engine only having a redline of 5600 rpm is BAD?? Boy do you have alot to learn!! BTW.. the base Corvette is 350hp 5600rpm. The Vette will outperform any DOHC motor. I believe the ZR1 originally had a DOHC motor but due to durability/reliabilty reasons, they went back to ohv. The new ZO6 OHV is 405 hp 6000rpm, pretty damn IMPRESSIVE for a OHV motor !! Nearly 71 hp per liter, not too bad!
#49 of 2406 by gunit Oct 29, 2003 (11:35 am)
OHV engines are nice and light and don't add a ton of height to a motor as opposed to a DOHC motor. The 5.7L OHV engine in a ZO6 corvette is the same weight or LIGHTER then the 4 banger DOHC motor in the WRX...   The drawback of DOHC? Cost (more parts, more money), packaging (the cylinder head is bigger due to all the cams and valves up there), and maintenance (you have to adjust twice as many valves).   Both OHV and DOHC have their pluses and positives !!
#50 of 2406 by gunit Oct 29, 2003 (11:36 am)
Both designs have their merit. OHV engines tend to make more torque and OHC engines tend to make more horsepower. Torque is the power you feel going from stoplight to stoplight in a city setting--the power to get the vehicle moving. Horsepower advantages have to do with top speed and passing power.

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