Report: Next Chevy Corvette to offer small-displacement turbo V8

[chef-beavis]

http://autos.yahoo.com/news/next-cor...turbo-v-8.html

[CamaroSpike23]

Originally Posted by DGthe3

Unless they change to a different architecture for that small V8 (which is unlikely, since they're pushing to consolidate their V8 lines not diverge them), its gunna weigh more than a large displacement pushrod V8. No matter the displacement on current production small blocks, the bore spacing is 4.4" and the deck height is 9.025" (IIRC). Overhead cams add weight. Turbos & intercoolers add weight. Building a small engine for forced induction (so stuff doesn't break) adds weight.

Where is the weight savings going to come from? Boring a smaller hole into the block? Wouldn't that end up adding (a little) weight too? Could go with a shorter stroke, but conversely that leads to longer connecting rods ... again, adding (a little) weight. The higher RPMs, plus forced induction mean that internals would have to be incredibly strong. Not that they can't do it but unless they've discovered unobtanium strength = weight.

I see this as little more than a fishing trip by the Corvette team and it sounds like they got a few, hook line and sinker.

5.5L with a turbo maybe?

we dont need no stinkin OHC v8s. Chevy has shown the world time and time again that the "archaic" pushrod design can be made to outperform everyone else.

Originally Posted by 8cd03gro

Cylinder activation/deactivation doesn't change displacement at all if you are taking it literally, which it seems you are, using the #cylinders x bore^2 x stroke x π/4 formula for displacement. The pistons are still sweeping from tdc to bdc, so the displacement doesn't change. You are effectively (sorry, is that better?) increasing displacement with forced induction as the volume of air/fuel fit in each cylinder is increased beyond maximum efficiency possible with an n/a engine. If you think active fuel management changes displacement by altering air/fuel delivery to specific cylinders, then forced induction under the exact same principal also alters displacement by increasing air/fuel delivery to all cylinders.

[AZCamaroFan]

two different types of V8's?
really?

[nancygrl]

So is this the things to come for our future Camaros??? If so they'll certainly have to shed some weight.

http://autos.yahoo.com/news/next-cor...turbo-v-8.html

[Juiced1]

Not sure how accurate that is. Most insider info says GM is going with a 5.5l 440hp Direct Injection V8. Naturally aspirated! I doubt they are working on two motors so far apart from each other. They also stated that the C6 cut weight from the C5 to be the mass of a 911. Last time I checked a C6 was noticably lighter then a 911. So I'm gonna call BS for now. I'm sure that 5.5L will be in any future Camaro.

[DevilsReject97]

Originally Posted by Juiced1

Not sure how accurate that is. Most insider info says GM is going with a 5.5l 440hp Direct Injection V8. Naturally aspirated! I doubt they are working on two motors so far apart from each other. They also stated that the C6 cut weight from the C5 to be the mass of a 911. Last time I checked a C6 was noticably lighter then a 911. So I'm gonna call BS for now. I'm sure that 5.5L will be in any future Camaro.

GM's pretty much stated there will be like 3-4 motors for the Corvette....

[nancygrl]

Yeah, I take any automotive news from yahoo with a grain of salt. At least it wasn't the typical gm/chevy bashing from a yahoo article

[SlingShot]

IMO it is all very doable, by taking the engineering they already have from the KAPPA platform of cars.

[FLYBOY]

I don't care for the new direction they may be taking with the small displacement motor, but I don't mind it either. As long as they will still offer a small-block pushrod V8, I'm fine with it. Ferrari's and Lambos all sound like ricers to my ears, I MUCH prefer the grumble and roar of American V8 muscle!!! I don't care for anything Europe either....

[THE EVIL TW1N]

Originally Posted by 8cd03gro

So the ferrari f40 is a ricer?



Name one turbo v8, "ricer." One. Turbo = displacement on demand. With modern turbo technology, you can make peak torque EARLIER than a comparable n/a engine, make more power, better gas mileage. . . For example, the cobalt ss turbocharged makes 260 lb ft @ 2,000rpm out of a 2.0l I4. Look at all the big aftermarket shops. How many of their top cars aren't turbo now? Hennessey, linginfelter, heffner, etc.

+1 awesome video. I too was thinking about the Ferrari F40 as i was reading the original post. A small turbo OHC V8 will finally get people excited about the vette again!!! Leave the grumbly large v8's for the poor guys and the smaller sophisticated screamer v8's for the upper echelon performers!

[DGthe3]

Originally Posted by CamaroSpike23

5.5L with a turbo maybe?

we dont need no stinkin OHC v8s. Chevy has shown the world time and time again that the "archaic" pushrod design can be made to outperform everyone else.

yes ... the 'archaic' pushrods, a whole 10 years older than overhead cams

[brAnd7onX]

I love how everyone is caught into displacement numbers... At the end of the day all that matters is performance and track/street times. They won't take a step backwards with the Corvette in performance and after reading it only looks like they are replacing the base corvette. They will still sell higher displaced ones. Chill.

[evan]

I'm a fan of larger beefy sounding v-8's but change is sometimes good :]

[OPP]

The C7 Corvette is going to have a lot of changes. Does GM have the same plans for the Camaro? Interesting article.

http://autos.yahoo.com/news/next-corvette-will-be-powered-by-small--high-revving-turbo-v-8.html