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Discussion Starter #1
Sorry if this is old but i just foudn it

http://www.cadillac.com/cadillacjsp/info/concept/cadillac16/overview.html

The Cadillac Sixteen is rear-wheel drive powered by an all-aluminum 13.6-liter engine. It includes technology such as Displacement on Demand, which allows the engine to run on four, eight or sixteen cylinders depending on driving conditions. Other advancements include:

7,000 rpm capability
1,000 horsepower and 1,000 lbs.-ft. of torque
Advanced cylinder head port design
Titanium alloy valves and valve springs
Variable camshaft phasing

Not a fan of Cadillac but :bow:
 

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passaturbonium said:
Doubt V16 will ever hit the streets. They are having problems putting down 1000hp with so much stress on a such a long crankshaft.
I thought it used a center PTO for that problem?
 

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Even if it does hit the streets they said it would have an extimated msrp at $2,000,000 so who know how many they would sell.
 

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They'll probably pre-sell as many as they decide to build (which will no doubt be under 500) no matter what the price is. Price is irrelevant for cars like these.
 

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Power Take Off.

Usually a term for old tractors, but it was the easiest term I could come up with at the time.

I think there were several older V12 and V16 air and marine engines that used a center PTO because of crank wind-up; take it from the middle and you've sort of halved the length of the crank. At least halved the longest distance rotational force from a piston rod has to travel to go to the transmission or wherever.
 

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AFAIK, the Cadillac Sixteen is a concept car only and there are no plans to put it into production. Some of the technology, like Displacement On Demand, will trickle down into production models, though. :D
 

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Displacement-on-demand made it's debut almost 25 years ago on 1980 DeVille's equipped with 'V-8-6-4'. It was a disaster. GM should make it run on hydrogen and skip nods to fuel economy.

I like the Chrysler 'Hemi' concept car, too. Let's hear it for honkin' RWD cars!
 

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Honk, honk :thumbup:

But seriously, engine computers are advanced enough now to conquer all the issues of displacement on demand.
 
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