03-01-2011, 07:32 PM | #43 | |
Hail to the King baby!
Drives: '19 XT4 2.0T & '22 VW Atlas 2.0T Join Date: Dec 2008
Location: Illinois
Posts: 12,142
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To get where you would like to go involves light weight and exotic materials. I know this from my work on the Z06 where we got an aluminum structure, carbon fiber fender outers, carbon fiber floor panels, carbon fiber fendes and we saved all of .................drum roll please.................165 pounds. And almost all of my guys work was off set by larger wheels and tires, LS7 with remote oil reservoir and Big Ginormous Brakes. It's just not feasible to get that much weight out without adding a big, humungous pile of cash. And you know what that translates into on the sticker of a low volume car (no rear seats means ultra low volume as you are really now talking a Corvette) don't you????
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"Speed, it seems to me, provides the one genuinely modern pleasure." - Aldous Huxley
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03-02-2011, 07:23 AM | #44 |
Use the Force
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I guess I should have re-phrased it. I do not think that the ZL1 will continue on to the Alpha chassis with a S/C 6.2 engine. Everything seems to point to a downsizing of engines to meet efficiency and CAFE requirements. If they do continue the ZL1 nameplate it will be with a smaller DI engine that hopefully makes the same power. The current ZL1 will be the last of the "Big Blocks" for quite some time.
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Walk softly, carry a light saber and drive a ZL1!
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03-02-2011, 10:07 AM | #45 | |
Petro-sexual
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I seriously hope for Z28 to return in a year or two. It'd be nice to see a '13 C7 and have Z28 reintroduced sharing the same Gen V engine; maybe downrated a bit. It's going to need some serious power, but I think it'll do great so long as the chassis is sorted.
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'20 ZL1 Black "Fury" A10, PDR, Exposed CF Extractor Magnuson Magnum DI TVS2650R // TooHighPSI Port Injection // FF // Katech Low Side // Soler 103 // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |
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03-02-2011, 10:39 AM | #46 | |
Downright Upright
Drives: Daily Join Date: Apr 2009
Location: Cruisin'...
Posts: 4,145
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A number of years ago, as part of a magazine project I prepared, a C5 Z06 was treated to c/f front end/hood/rear fenders/wing/splitter along with Corbeau 1-piece buckets and an LPE rear battery kit, as well as long tube headers and full 3" exhaust. Then, a roll cage/18 X 12 fr./18 X 13 rr. 3-piece wheels with corresponding tires and 6-piston/4-piston calipers were added. Net effect? SAME curb weight, but w/50-50 distribution... BTW, an LS7, wet-sumped, will weigh within a pound or three of an LS3... 80 hp, zero weight...it's the HD driveline bits 'n pieces required that will add... |
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03-02-2011, 10:58 AM | #47 | |
Drives: My wife crazy with my C5 usage. Join Date: Apr 2009
Location: DFW
Posts: 6,558
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150 pound diet works for me. Corvette > Camaro in every aspect except passenger volume. Dropping the rear seat in a "track Pack" car shouldn't have any impact on the Corvette. Keeping the production numbers down would ensure that. With the ZL1 having MR suspension, SC'd, larger tires, etc the weight is going the wrong direction. There has to be something that can be done on this platform that can reduce some weight. Going with the smaller 5.5L DI V8 will help, but it can't end there. CF isn't always the way to go with weight savings in mind. I know the RK Sport OEM style CF hood had zero weight difference compared to the factory SS hood. The thin aluminum that is used on the body panels isn't that heavy. Now if they could do something to cut the weight down in the doors.... It's all nice in theory, but I'm sure if it is ever made it will be bad azz anyway.
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UNDER CONSTRUCTION......again......
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03-02-2011, 03:05 PM | #48 | |
Drives: 2002 Monte Carlo SS Join Date: Jul 2009
Location: NC
Posts: 123
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03-02-2011, 03:06 PM | #49 | |
Drives: 07 GMC Sierra crew cab Join Date: May 2009
Location: Hallettsville,Texas
Posts: 27
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engines
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Last edited by chevysno1; 03-02-2011 at 04:29 PM. |
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03-02-2011, 04:56 PM | #50 | |
Drives: police interceptor Join Date: Nov 2008
Location: Austin, tx
Posts: 1,291
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OHV are already the lightest V8 on the market, I honestly can't think of any lighter ones because most other companies use DOHC which are naturaly heavier. For example the BMW M3 4.0 V8 wieghs more than the LS3. |
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03-02-2011, 06:03 PM | #51 | |
I used to be Dragoneye...
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The CTS is getting bigger. The CTS will be on a long-wheelbase version of the Alpha chassis. The CTS will still harbor a 'V' series model... ...therefore the CTS will still need a lot of freakin' power to keep it competitive. The ZR1 Corvette will also continue in the next generation... I think the chances of a forced-induction, moderate-to-high displacement Gen V smallblock is high, because the need for that sort of power will be there. And if they felt like it...I think they could justify using this theoretical engine in a smaller 6thgen Camaro for a ZL1-on-steroids. |
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03-02-2011, 06:04 PM | #52 |
Too Many Great Choices
Drives: Grand Sport/Z07 Join Date: Jun 2009
Location: A Mountain Road
Posts: 7,454
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Go simple.
forged wheels = less weight manual seats = less weight 2 piece rotors 6/4 pistons calipers = less weight coilovers/performance suspension (Pedders/Pfadt) = less weight electric steering = less weight LS7 = more power 3.73 gearing = more performance This is very doable. Maybe lose 150 lbs. off a 1SS (Huh, Number 3) 4.0 0-60 12.0 1/4 mile 110' 60-0 1.0 G 75.0 Slalom $42,000. Any comments Number 3? I respect your thoughts! |
03-02-2011, 06:19 PM | #53 |
I used to be Dragoneye...
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I read those and smiled a little....only because the ZL1 will likely do as good or better...and come with all the trimmings inside.
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03-02-2011, 07:18 PM | #54 | |
Hail to the King baby!
Drives: '19 XT4 2.0T & '22 VW Atlas 2.0T Join Date: Dec 2008
Location: Illinois
Posts: 12,142
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Manual seats for sure, but only a few pounds. I know my Sky has power height on the driver side, but manual for all others. So that can work. I will let Pedders or Pfadt comment on this. My first instinct is they actually weigh a bit more. But that is a factless observation. I haven't seen the EPS mass. ZL1 has EPS, SS doesn't so if it weighs less it's good. Plus better FE. LS7 is for sure more power and awesomeness. But just big bucks due to the manual build in Wixom. I'd hope for a nice LS3 bump. Problem there is you now make the LS7 obsolete. Why pay big bucks for 505 when you can get 450+ for much less. Gearing something that I think could add an immediate benefit. Honestly not sure why we haven't tapped into this. I like your numbers, which would require the LS7. I think your cost is ok, but not with the LS7 which is the contradiction. But for me, here is what I would do to drop the weight and still have a car pleasant to drive every day. Start with a 1SS Eliminate all engine covers and plastic in the engine compartment. If it isn't moving fuel or coolant..............gone. Manual seats. No fog lamps. No LS filler. Just a simple fascia. No mail slot. No floor mats. (optional on 1SS anyway??) No trunk trim, no flat load floor, no spare, no inflator. Just a can of fix a flat. No folding rear seat. Yes, I want a rear seat or I'd just buy a Corvette. But I don't need latches and pull strap to fold it down on very rare occasions. I'd remove some but not all NVH treatments. Lighter dash matt, reduced mastic materials on the body. Eliminate the push/push fuel door and add the finger cup back in. This eliminates the push pin mechanism. Smaller bare bones console. Simple arm rest in between the seats. No power passenger side rear view mirror. Go to a 15 gallon fuel tank. Saves full tank of fuel mass and also just a smaller, lighter tank. Thinner glass for windshield, doors, back light and quarter glass. That might, and I'm guessing save 50 pounds, not counting the reduction of 3 gallons of gas (an extra 20 pounds) Adds: Carbon fiber hood Titanium exhaust (C5 Z06) Glass Matt battery (bad for performance, but good for mass) Magnesium front cradle (C6 Z06) Low mass race wheels (C5 had titanium but wouldn't go quite that far) Again, guessing a bit, you might save another 100 pounds. So total reduced weight 150 pounds over a 1SS. If at all possible, get the Wixom LS3 (reported to make more power) and add tweak it where possible. Only asking for 450 at the crank. Now add the suspension improvements from the ZL1 minus MR shocks. Widen the front tires to help understeer. Now you have a slightly lighter, slightly more powerful and slightly better handling car. That will likely not get your 0 - 60 in 4.0 seconds or 12 second 1/4, but might make the rest of your numbers.
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"Speed, it seems to me, provides the one genuinely modern pleasure." - Aldous Huxley
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03-02-2011, 07:39 PM | #55 | |
Hell yeah I'm Guilty.....
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03-03-2011, 11:16 AM | #56 | |
Drives: Camaro's, always have, always will. Join Date: Oct 2010
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