C8 Question
I haven't been here in quite a while or keeping up with much of anything Corvette-related lately. Will the C8 DEFINITELY be a mid-engine car?
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Yes, but that's about the only thing that can be said for certain about it.
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Sounds like it. All the spy photos suggest this as well. Sounds like the motor will be a 4.2 turbo V8 as well. I didn't believe it at first but they already announced it in the CT6-V Cadillac. Knowing GM there is no chance that motor is only in a low volume Cadillac.
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Johan De Nysschen already has confirmed the 4.2TT V8 LTA engine will not be used in the Corvette.
I believe the C8 will eventually will get a 5.5L V8 that falls within the same engine family as the LTA, but without the hot V turbo configuration. We'll likely see it in both naturally aspirated and twin turbo variants, with the NA going in the ZO6 and the twin turbo going in the ZR-1. Rumors suggest the first year C8 wil probably get an updated LT1 OHV V8 with a little over 500 hp. |
Johan is gone, along with his “exclusively Cadillac” engine. It’s going in the Vette. |
Originally Posted by Shrike6
(Post 1598208505)
Johan is gone, along with his “exclusively Cadillac” engine. It’s going in the Vette. |
Originally Posted by ColoradoGS
(Post 1598208587)
The 4.2L V8 TT Cadillac engine is a hot-V design which is good when you need the space in a FE architecture. A lot of people have noted that there's no reason (and reasons not to) use a hot-V design in a ME layout. I have no idea what engine is going to go in the ME V8 but I don't think the Cadillac engine is it.
Exactly. The C8 CAD images show a twin turbo V8 with side-mounted turbos, so it's unlikely a hot V DOHC V8 would fit. The LTA doesn't even have a torque curve that's proper for the Corvette, and it's an under-square design. Jeuchter is on record as preferring extremely oversquare, high revving engines, which could be achieved by keeping a similar stroke to the LTA while boring out to 5.5L. |
Originally Posted by Shrike6
(Post 1598208505)
Johan is gone, along with his “exclusively Cadillac” engine. It’s going in the Vette. |
I remember reading some GM exec said that Cadillac would have no exclusive engines. So, if this engine is being built it will be shared. And who better to share it with than Corvette? Also it is a better fit for a flat plane crank than a 5+ L engine. The CAD drawing released might show the 5.5L twin turbo. |
Yes, the C8 is a mid-engine car.
I have only read that Cadillac is developing new, brand-exclusive engines and that the LTA is its first exclusive engine. The C8 powertrains should be something close to this...: https://www.corvetteforum.com/forums...post1596807286 |
Fair enough, but it could share architecture. Does gm use the turbo 3.6 in anything other than the luxury cars? They probably would have to tweak it a little, it doesn't seem to rev out like the current LT engines do. Peaking around 5500... it's going to be interesting. Again though, down the line, more than likely a variant will be in there for sure.
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Originally Posted by 84 4+3
(Post 1598209322)
Fair enough, but it could share architecture. Does gm use the turbo 3.6 in anything other than the luxury cars? They probably would have to tweak it a little, it doesn't seem to rev out like the current LT engines do. Peaking around 5500... it's going to be interesting. Again though, down the line, more than likely a variant will be in there for sure.
I can say with 100% certainty that there will never be a C8 powered by a V6 from the factory. |
I heard it was going to be rear engine to compete with the 911
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Originally Posted by Foosh
(Post 1598208038)
Yes, but that's about the only thing that can be said for certain about it.
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So is there an official release date ? |
Originally Posted by Zaro Tundov
(Post 1598208361)
Johan De Nysschen already has confirmed the 4.2TT V8 LTA engine will not be used in the Corvette.
I believe the C8 will eventually will get a 5.5L V8 that falls within the same engine family as the LTA, but without the hot V turbo configuration. We'll likely see it in both naturally aspirated and twin turbo variants, with the NA going in the ZO6 and the twin turbo going in the ZR-1. Rumors suggest the first year C8 wil probably get an updated LT1 OHV V8 with a little over 500 hp. So you think GM will build a ME car, put an OHV engine in it, and at a later date, put a DOHC engine in it? |
Originally Posted by need-for-speed
(Post 1598212676)
So you think GM will build a ME car, put an OHV engine in it, and at a later date, put a DOHC engine in it? |
Originally Posted by Steven Beaver
(Post 1598210928)
I heard it was going to be rear engine to compete with the 911
Compete with 911? Yes Rear engine? No |
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