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American Brands: GM 
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engines Archive
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![In 1981, Cadillac rolled out a new version of its 368-cid V-8 engine with a “modulated displacement” (cylinder deactivation) system that let it run on eight, six, or four cylinders […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2025/10/1981-Cadillac-Fleetwood-Brougham-dElegance-Bordeaux-Red-Mecum-Auctions-W125-front-3q-high-inset.webp?resize=115%2C115&quality=70&ssl=1 "1981 Cadillac V8-6-4: The Real Reason Cadillac Dropped Its “Modulated Displacement” Engine After Only A Year")
1981 Cadillac V8-6-4: The Real Reason Cadillac Dropped Its “Modulated Displacement” Engine After Only A Year
Posted on October 19, 2025 | 50 CommentsIn 1981, Cadillac rolled out a new version of its 368-cid V-8 engine with a “modulated displacement” (cylinder deactivation) system that let it run on eight, six, or four cylinders […] -
![Until the 1970s, GM automotive divisions made most of their own engines, leading to a confusing array of completely different engines of similar displacements. For example, Buick, Chevrolet, Oldsmobile, and […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2025/10/1955-GM-V-8-engines.webp?resize=115%2C115&quality=70&ssl=1 "Why Chevrolet, Pontiac, Oldsmobile, Buick, And Cadillac (Mostly) Had Their Own Engines")
Why Chevrolet, Pontiac, Oldsmobile, Buick, And Cadillac (Mostly) Had Their Own Engines
Posted on October 12, 2025 | 41 CommentsUntil the 1970s, GM automotive divisions made most of their own engines, leading to a confusing array of completely different engines of similar displacements. For example, Buick, Chevrolet, Oldsmobile, and […] -
![Introduced in 1962, the 90-degree Buick Fireball V-6 engine was basically three-fourths of Buick’s small aluminum V-8, cast in iron rather than in light alloy to create a cheaper base […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2025/01/1962-Buick-Fireball-V-6-cutaway.webp?resize=115%2C115&quality=70&ssl=1 "CC Tech: 1978 Buick Even-Fire V6 – Buick Evens The Odds")
CC Tech: 1978 Buick Even-Fire V6 – Buick Evens The Odds
Posted on January 29, 2025 | 42 CommentsIntroduced in 1962, the 90-degree Buick Fireball V-6 engine was basically three-fourths of Buick’s small aluminum V-8, cast in iron rather than in light alloy to create a cheaper base […] -
![The Volvo 200 Series ran for 19 years and 2.8 million cars, and many still consider it the definitive Volvo for its brick-like styling and sensible-shoes dependability. However, its […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2024/12/1979_volvo_242_coupe_15531297296de3ef250D8O6286.webp?resize=115%2C115&quality=70&ssl=1 "CC Tech: 1979 Volvo 242DL Lambda Sond – Volvo And Bosch Revolutionize Engine Technology")
CC Tech: 1979 Volvo 242DL Lambda Sond – Volvo And Bosch Revolutionize Engine Technology
Posted on January 26, 2025 | 10 CommentsThe Volvo 200 Series ran for 19 years and 2.8 million cars, and many still consider it the definitive Volvo for its brick-like styling and sensible-shoes dependability. However, its […] -
![In the early ’60s, Detroit had a brief flirtation with aluminum engines, but high costs, manufacturing problems, and warranty headaches soon drove automakers back to cast iron, taking advantage of […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2024/12/1962-02_MT_Iron_Parts_Can_Be_Lighter.jpg?resize=115%2C115&quality=75&ssl=1 "CC Tech: Thinwall Iron Castings For Engines – Why Detroit Turned Away From Aluminum")
CC Tech: Thinwall Iron Castings For Engines – Why Detroit Turned Away From Aluminum
Posted on January 6, 2025 | 48 CommentsIn the early ’60s, Detroit had a brief flirtation with aluminum engines, but high costs, manufacturing problems, and warranty headaches soon drove automakers back to cast iron, taking advantage of […] -
![(first posted 4/24/2018) A while back, Paul wrote a very enlightening article about the 250 six powered 1975 Ford Granada winning the dunce cap award for having Ford […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2018/01/1977-AMC-Auto-Show-Edition-04.jpg?resize=115%2C115&quality=75&ssl=1 "Automotive History: Since The 1975 Granada Was The Worst Malaise-Mobile, What Was The Best (Or Maybe Just Better)?")
Automotive History: Since The 1975 Granada Was The Worst Malaise-Mobile, What Was The Best (Or Maybe Just Better)?
Posted on April 24, 2024 | 99 Comments(first posted 4/24/2018) A while back, Paul wrote a very enlightening article about the 250 six powered 1975 Ford Granada winning the dunce cap award for having Ford […] -
![(first posted 13/3/2014) Stefan Marjoram is creating a documentary of the restoration of the legendary 1911 Fiat S76, which has the distinction of arguably having the largest automobile engine […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2014/12/Fiat-S76-color.jpg?resize=115%2C115&quality=75&ssl=1 "Watch And Hear The 1,729 Cubic Inch OHC Hemi Four Cylinder ‘Beast of Turin’ 1911 Fiat S-76 Bellow And Spit Flames For The First Time In A Century")
Watch And Hear The 1,729 Cubic Inch OHC Hemi Four Cylinder ‘Beast of Turin’ 1911 Fiat S-76 Bellow And Spit Flames For The First Time In A Century
Posted on December 3, 2020 | 26 Comments(first posted 13/3/2014) Stefan Marjoram is creating a documentary of the restoration of the legendary 1911 Fiat S76, which has the distinction of arguably having the largest automobile engine […] -
![(updated 11/9/2023) In 1951, plucky little Studebaker introduced its new ohv V8 engine, only two years behind the groundbreaking 1949 Cadillac and Oldsmobile V8s, and several years ahead of other […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2020/03/Studebaker-V8-image.jpg?resize=115%2C115&quality=75&ssl=1 "Automotive History: The Studebaker V8 Engine – Punching Below Its Weight")
Automotive History: The Studebaker V8 Engine – Punching Below Its Weight
Posted on March 30, 2020 | 110 Comments(updated 11/9/2023) In 1951, plucky little Studebaker introduced its new ohv V8 engine, only two years behind the groundbreaking 1949 Cadillac and Oldsmobile V8s, and several years ahead of other […]
