New V8 for 2023 Corvette

[edselford]

Maybe ford could do. 5.5 liter DOC V8 version  of a 5.0 liter with a higher deck for a special Mustang?

Take the 5.0 heads and use a 4” crankshaft, you get 5.5 liters. Would need to have about a 249 mm deck height block with unique con rod length. Don’t need the deck height of the old 5.4/5.8 liter engines at 256mm

edselford

[slemke]

7 hours ago, edselford said:

Maybe ford could do. 5.5 liter DOC V8 version  of a 5.0 liter with a higher deck for a special Mustang?

Take the 5.0 heads and use a 4” crankshaft, you get 5.5 liters. Would need to have about a 249 mm deck height block with unique con rod length. Don’t need the deck height of the old 5.4/5.8 liter engines at 256mm

edselford

May not need to increase the deck height.  Ford performance created an iron block version of the coyote that could be bored and stroked to 95x99mm for a total displacement of 5.6L dubbed werewolf.  https://www.roadandtrack.com/car-culture/a30273199/ford-cast-iron-coyote-v8-block/
 

bore spacing and deck height remain the same as the coyote.  Stroking the 5.2L to the same 99mm would also yield a 5.5L v8.  No idea how much power that would provide.  The 100mm bore spacing is limiting, but it is clear that Ford had significant room for growth from the 4.6L origins.

[edselford]

Hi slemke,

thanks for the info on new ci block. Very interesting.

Another approach is to utilize aluminum 5.8 doc block with 5.0 liter bore and 4” stroke.

Rod length to stroke ratio would be about 1.7 to 1 with higher deck block at about 256 mm.

edselford

[slemke]

On 11/10/2021 at 8:00 AM, edselford said:

Hi slemke,

thanks for the info on new ci block. Very interesting.

Another approach is to utilize aluminum 5.8 doc block with 5.0 liter bore and 4” stroke.

Rod length to stroke ratio would be about 1.7 to 1 with higher deck block at about 256 mm.

edselford

The 5.8L trinity had a 93.5mm bore…already larger than the 5.0.  No Reason not to use the full 94mm of the 5.2L, shorten the stroke a bit for higher rpm or leave it the same for additional displacement.  I read an article a while ago about how NHRA lowering the allowed deck height vastly increased HP.  Shorter intake runners.  May not matter if allowed full freedom on the intake manifold.  I’m interested in what Ford will do with the 6.8L v8 being developed.  That may be Ford’s answer to the GM 5.5L

[Stray Kat]

That 5.5 Chev motor works because it’s hugely over square. The bore is something like 4.100” with a 3.3” stroke. 

 

FPC engines tend to need shorter stroke architecture. They have problems with secondary vibration. 
 

The sky is definitely not the limit with FPC V8’s where displacement is concerned. 
 

The Mod/Coyote bore space limitation is exactly the opposite of what would be considered ideal for a foray into FPC’s. Ford made it work to their great credit.

 

Face it gang that one design parameter (bore spacing) became a severe handicap or at least a huge “work around” for the Coyote engineers. 

[RGIll]

I really like the 2023 Vette in looking at everything. It is a far cry from some of the older designs that were dated. Not sure about a V8 though. I think with current technology and turbos there is a way to get what you need out of a V6. But that is IMHO.

[Willwll313wll]

An Electric GT could be amazing! Hypercar territory?

[Willwll313wll]

10 minutes ago, Willwll313wll said:

An Electric GT could be amazing! Hypercar territory?

Sorry, off topic...

 

I'm not surprised the Vette is not going E yet. All of it's engineering and investments are still new. This will probable be the last generation with an engine though.