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Hagerty Employee

Brother from another mother: 11 shared engine displacements

Today it’s common to find engines from several manufacturers that share displacement figures. Engineers determined that 500 cc per cylinder is a sweet spot for efficiency with low emissions and, consequently, there are lots of 2.0-liter four-cylinders, 3.0-liter sixes, and 4.0-liter V-8s. Before that discovery, road taxes in some countries also influenced displacement. Plenty of manufacturers ended up with engines designed to fit under certain mandated thresholds. Read the full article on Hagerty.com:

 

https://www.hagerty.com/media/automotive-history/brother-from-another-mother-11-shared-engine-displa...

161 REPLIES 161
Passenger

Cadillac engines were 390’s from 1959-63.  The ‘63 was a brand new engine which evolved into the 429, 472 and 500 cubic inch displacement engines.  

Passenger

Chrysler had a 350 cubic inch motor called the Golden Commando or Sonoramic Commando in the 1958, topped with dual carbs. An example of the motor - watch John Carpenter's cinema adaptation of Stephen King's Christine. The '58 Fury had the aforementioned Golden Commando.

Passenger

How about 318 and 429?

New Driver

260: Ford and late Olds

289: Ford and Studebaker

322: Buick and LaSalle

429: Ford and Cadillac

 

Navigator

ACK! Ask any Studebaker owner how many times they have been told that their V8 was a Ford 289.... not even close to the same engine and Studebaker had it first!

Passenger

And don't forget the 425 Buick, Olds and Cadillac V-8s. 

Passenger

Ford's V8 289!  HO version was a beast if tuned right. 

Passenger

Ford also had a 429 that was in my '68 Country Squire  Mercury had a 360 and a 383

New Driver

Studebaker shared  289 CI  with Ford