What year did Cadillac make the 468 engine?
Emma Johnson
Updated on February 28, 2026
1981
This is about Cadillac’s revolutionary, impossibly disastrous 4-6-8 cylinder deactivation engine from 1981. It’s also about thinking beyond technological limits without respecting those technological limits.
What happened to the 8 6 4 engines introduced by General Motors in 1981?
The L62 was replaced with a smaller 4.1L V8, while those customers who decided to keep their ’81s had the cylinder management system permanently disabled, keeping the engine running on eight cylinders for the remainder of its natural life.
What was Cadillac’s biggest motor?
500-cubic inch V8
As for Cadillac engines, the largest Cadillac engine ever was a 500-cubic inch V8 that debuted in 1970 in the Eldorado. The other Cadillacs utilized 472-inch V8s available in the Deville models and Fleetwoods from 1968 through 1974.
How much did a Cadillac cost in 1981?
In addition to the performance, efficiency and style problems, Cadillac also had a pricing problem in 1981. At $17,685 ($50,728 adjusted), the as-tested price on Car and Driver’s DeVille was pretty typical for a Cadillac at the time. But that price band meant the car was simultaneously too expensive and too cheap.
What engine does Cadillac use?
The 4.2 liter V8 engine (GM RPO code LTA) is an eight-cylinder, dual overhead cam (DOHC) twin turbo engine produced by General Motors specifically for use in Cadillac luxury vehicles. The engine is the result of a new clean-sheet engine design as well as Cadillac’s first twin-turbo V-8 engine.
What engine did the Cadillac Eldorado have?
The Cadillac Eldorado comes with a savage 8.2-liter 500 cubic V8 engine that gave this masterful ride 400 hp and 550 lb-ft of torque at 3,000 rpm.
What engines did Cadillac make?
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| Model Year | Model | Engine |
|---|---|---|
| 2016-2019 | ATS 3.6L | 3.6L V6 LGX |
| 2016-2019 | ATS-V | 3.6L Twin-Turbo V6 LF4 |
| 2014-2019 | CTS 2.0T | 2.0L Turbo I4 LTG |
| 2014-2015 | CTS 3.6L | 3.6L V6 LFX |
Did Cadillac make a flathead V8?
In 1937, the new monobloc flathead gained 24 cu in (390 cc) in Cadillac V-8 models to 346 cu in (5.7 L), while the LaSalle straight-8 of 1934–1936 that originated from Oldsmobile actually was replaced with the 1936 smaller 322 cu in (5.3 L) version at 125 hp (93 kW).
Which Cadillac is Turbo?
The Cadillac Blackwing V8 (GM RPO LTA) is a twin-turbo DOHC V8 engine that was produced by the Cadillac Division of General Motors for use in its CT6-V between 2018 and early 2020….Cadillac twin-turbo V8.
| Cadillac Blackwing V8 | |
|---|---|
| Overview | |
| Cooling system | Water-cooled |
| Output | |
| Power output | 500–550 hp (373–410 kW) |
What kind of car is a 1981 Cadillac Coupe DeVille?
This 1981 Cadillac Coupe DeVille is a preserved classic that is becoming cooler by the day especially because this one is sharp, loaded, and has a story to tell. So the affordable price really ma… More Info ›
What was Cadillac’s deactivation engine from 1981?
This is about Cadillac’s revolutionary, impossibly disastrous 4-6-8 cylinder deactivation engine from 1981. It’s also about thinking beyond technological limits without respecting those technological limits. GM always hired the best.
How many original Miles does a Chevy DeVille have?
Only 25,280 Original Miles! This is simply an amazing DeVille that has been extremely well cared for over the years. The car has always been garage kept, and it shows in the paint finish which stil…
What was the problem with the Cadillac 4-6-8?
The problem was when the engine went from four cylinders to eight, or six to eight, there was a lag. Engine smoothness was interrupted, and so was the customer’s confidence. Here’s a rather humorous example of the Cadillac 4-6-8 manually deactivated and the resulting engine performance, or lack thereof.
