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Future Chevrolet Camaro

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#61 of 231 it would be by exalteddragon1 May 12, 2006 (6:28 pm)
a first and meybe finnaly shut people up about OHV bieng old school. Of crouse, that would only happen if toyota used OHV.   GM needs to find other ways of improving business effeciancy, that do not include hurting the product.   A 5.3L at 320hp would be allot weaker by 2008 or 10, with 263hp altimas and 268hp avalons... By then the 300hp lexus v6 wil probably see duty in toyotas. A very bad proposition for our automakers. Replies to this message: rorr (May 15, 2006 10:57 am)
#62 of 231 Re: it would be [exalteddragon1] by rorr May 15, 2006 (10:57 am)
Replying to: exalteddragon1 (May 12, 2006 6:28 pm) ...a first and meybe finnaly shut people up about OHV bieng old school."   I guess my question regarding variable valve timing and pushrod engines wasn't framed well. Let's try again:   CAN pushrod motors utilize multi-valve heads with VVT?
#63 of 231 I don't see why not by exalteddragon1 May 22, 2006 (8:25 am)
Im no engineer, but i know tha GM has allot of equity in OHV engines and if anyone is going to make it happen it would be GM. Replies to this message: rorr (May 22, 2006 9:28 am)
#64 of 231 Re: I don't see why not [exalteddragon1] by rorr May 22, 2006 (9:28 am)
Replying to: exalteddragon1 (May 22, 2006 8:25 am) That may be, but consider: GM IS beginning to make VVT available on a lot of their engines.....their OHC engines. Yet they are not making it available on their OHV engines.   As I understand VVT, there are different sets of lobes with different timing characteristics. With an OHC engine, there is a seperate cam for each bank (for DOHC engines, a cam for the intake side and a separate cam for the exhaust side). Physically, there is ROOM for multiple cam lobes.   But on a OHV engine, a single cam is providing the timing for intake and exhaust for both banks. Is there physically ROOM for multiple sets of cam lobes on the same cam for an OHV engine? And how do you switch the pushrods from one cam lobe to another?   Maybe GM can make a big push towards a solenoid valvetrain, completely eliminating cams entirely and offering virtually unlimited computer control of each valve independantly....now THAT would be cool.
#65 of 231 Camaro Specs by mikesright May 22, 2006 (12:01 pm)
Expect the new Chevy Camaro to have/be:   *At or under 3500 lbs *To have the LS2 V8 with VVT and DOD with 425 hp *Six-speed automatic or new six speed manual using the same planetary gears and modular design of the auto *Get better than 30 mpg *New Zeta suspension with IRS   Why? GM has press releases on each of the transmissions, and plans to use them in place of four-speeds from now on, one of Lutz's goals is to have the Camaro be one of the best handling sport coupes...ever, and the Zeta platform has IRS, and they've sent people to Austrailia to modify the platform for cost and weight issues. The new small-block has been rumored for some time, and will include the new features being implemented across the line for pushrod engines (VVT and DOD). Remember, it isn't really a stretch for GM to put in a 400 hp engine because the pushrod engines are cheap and fuel-efficient, and the GTO was $33K even while it was a loaded car from the factory. Quite simply, GM is able to make 425 hp at the cost of Ford's 300 hp modular V8, all the while being simply and easily modified (did I mention cheaper to modify?) for high performance. That's why it's still around here 50 years later, it's still a superior design. Replies to this message: rorr (May 22, 2006 1:08 pm) rorr (May 22, 2006 1:15 pm)
#66 of 231 Re: Camaro Specs [mikesright] by rorr May 22, 2006 (1:08 pm)
Replying to: mikesright (May 22, 2006 12:01 pm) "...and the Zeta platform has IRS, and they've sent people to Austrailia to modify the platform for cost and weight issues."   Well, something to consider: the LS platform (which was the basis for the '05 Mustang) also had IRS. And then the development team went to work on IT for cost and weight issues. Result? Solid rear-end.   Don't assume that just because the Zeta platform has IRS that a new Camaro will as well. PARTICULARLY if they admit to modifying the platform for 'cost and weight issues'.   "...the new features being implemented across the line for pushrod engines (VVT and DOD)."   COOL! So, which pushrod engines have VVT? Replies to this message: rorr (May 22, 2006 1:15 pm)
#67 of 231 Re: Camaro Specs [rorr] by rorr May 22, 2006 (1:15 pm)
Replying to: rorr (May 22, 2006 1:08 pm) "COOL! So, which pushrod engines have VVT?"   Answering my own question.....   GM introduced the LZE and LZ4 V6 engines with VVT in '05 and introduced the Vortec 6200 with VVT this year.   Now, I'm gonna look to see just how GM did it.....   edit:   Here we go. Looks like they used something called "cam phasing"...   http://www.gm.com/company/gmability/adv_tech/100_news/pop_mechanics_award_093005- .html
#68 of 231 Updates on 2009 Camaro by seriousblack May 31, 2006 (8:43 am)
Check out July 2006 issue of GM High-Tech Perfomance Magazine; page 6 -Facts and unconfirmed 411 on 2009 production version Camaro
#69 of 231 Re: Mr Rorr [twain] by camaross Jun 07, 2006 (6:25 am)
Replying to: twain (Mar 27, 2006 10:33 am) Remember GM's hieracarhy - Camaros cannot be more powerful or faster than a Corvette. Base Corvettes will probably be in the 425 HP range by that time, so there's your ceiling for an SS. The one loophole would be if the Z06 was the ceiling..........

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