GM to invest $850+ million to build new V8s

[radz28]

Originally Posted by Rogue Leader

i just hope everyone hee who whined this will be the last V8 camaro reads this and eats their crow for lunch.

Insert foot here I was worried, too, though

Originally Posted by MisterCamaro69

All these posts and not one mention of Z/28?

Z2-what?...

[Robert91RS]

A DI motor will respond just as well to bolt ons as the current motors do and besides the tick noise produced by the mechanical fuel pump, it will sound just as good too.

[American Muscle]

sweet .. great news

[cab2g]

Originally Posted by MikeSVX

This is mostly true. You also have to have your ECU reprogrammed with different fuel maps. E85 has more oxygen molecules then standard gas. Because of this, you need to inject more fuel for the same volume of air. I have a friend who ran on E85 for a while and did the math. Running E85 worked out the same cost wise as running 89 octane in his car, however you get the benefit of better preformance. E85 is about the equivalent of 100 octane gas preformance wise. I had a supercharger kit added to my '94 Subaru SVX. We did a remap of the factory ECU and added a second set of maps for running E85. I haven't replaced the fuel lines so I don't run it, but all I need to do id replace them an run a 12Vdc power switch to the ECU to tell it what maps to use.

For me, I got much worse mileage and the cost was far greater than using 91/93 octane because of this. Some states subsidize E85 so your results may vary I'm assuming the next gen flex fuel vehicles will not have as big of a mileage drop as my 10 year old truck has!

[DGthe3]

Good news. I was a bit surprised to see that they will be lighter than the current engines. Perhaps we will see a sub 400 lb "LR1"? gen V small block?

Originally Posted by cab2g

For me, I got much worse mileage and the cost was far greater than using 91/93 octane because of this. Some states subsidize E85 so your results may vary I'm assuming the next gen flex fuel vehicles will not have as big of a mileage drop as my 10 year old truck has!

The physics of the fuel won't change. Ethanol still has less energy per gallon than gasoline does. It does have a higher octane rating than gasoline, so increasing the compression ratio could yield a bit of a gain. But odds are, GM will still optimize the engines to run on gasoline, with the option of running E85, rather than focusing on E85 with a gasoline option.

[Muscle Master]

This is great ... now we really can compete with the Germans and Italian's

But I have a gut feeling that the modding capability's are going to be tight

[DGthe3]

Originally Posted by Muscle Master

This is great ... now we really can compete with the Germans and Italian's

But I have a gut feeling that the modding capability's are going to be tight

Compete with the Germans and Italians? Why should GM degrade themselves? I'll take an LS3 over a BMW S65 (4L V8 for the M3) or an LS7 over any 500+ hp unit from Italy any day. Lighter, cheaper, more efficient, more torque, more durable. Sounds to me like GM kicks their ass already.

I don't understand why some are saying the engines will be maxed out. Until GM says they are going to be aiming for 100 hp/L with these engines, the potential will still be there. And I just don't see them doing that. They'll still be large displacement truck engines at heart. It won't be 500hp 3.9L DOHC VVT DI V8s with a 10k rpm redline (too much hyperbole? meh). They'll need to retain all their exisiting qualities. The ability to mod these engines is directly related to one of the other advantages to ths SBC: low cost. Cheapest way for an automaker to make an engine powerful is to make it large displacement. And GM will want these engines to be about as cheap as possible because they'll sell about a million of them each and every year. Saving a few hundred bucks per engine will be utterly massive to GM.

[Sax1031]

Originally Posted by DGthe3

Compete with the Germans and Italians? Why should GM degrade themselves? I'll take an LS3 over a BMW S65 (4L V8 for the M3) or an LS7 over any 500+ hp unit from Italy any day. Lighter, cheaper, more efficient, more torque, more durable. Sounds to me like GM kicks their ass already.

I don't understand why some are saying the engines will be maxed out. Until GM says they are going to be aiming for 100 hp/L with these engines, the potential will still be there. And I just don't see them doing that. They'll still be large displacement truck engines at heart. It won't be 500hp 3.9L DOHC VVT DI V8s with a 10k rpm redline (too much hyperbole? meh). They'll need to retain all their exisiting qualities. The ability to mod these engines is directly related to one of the other advantages to ths SBC: low cost. Cheapest way for an automaker to make an engine powerful is to make it large displacement. And GM will want these engines to be about as cheap as possible because they'll sell about a million of them each and every year. Saving a few hundred bucks per engine will be utterly massive to GM.

The next generation of GM engines will incorporate DI and VVT. I heard they are going to accomplish this with 4v heads but the engines will still be pushrod motors. Possibly going to use cam in cam technology or run 2 cams keeping them both inside the block.

[Revo1]

BADASS!

I'm still not waitin around for mine tho.