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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...

Replies (123)

Replies (123)

260: Ford and late Olds

289: Ford and Studebaker

322: Buick and LaSalle

429: Ford and Cadillac

 

New Driver

289 CI was shared by Studebaker as well as ford

New Driver

Buick had the 340 in '66 & '67 along with Mopar.

Passenger

390 c.i. was manufactured by Cadillac 1959-1963

Passenger

327: Chevy, Rambler & Packard

352: Ford & Packard

Passenger

Regarding your 383 bonus here's a 383 bonus bonus.  The Mopar 383 was built in both the B block and also the RB (raised B block).

New Driver

The first B Mopar block appeared in the 1958 Plymouth Fury at 350 CID

New Driver

A variation on this discussion:   I believe Ford/Lincoln/Mercury covered the 7-liter zone with at least six different V-8 engines, measuring 425, 426, 427, 428, 429, and 430 cubic inches.

Passenger

You forgot that Chrysler Corporation briefly made a 350 as well, in 1958.

Passenger

AMC terrified the racing world with the small block 401 I think the big three had something to do with its quick demise..

Pit Crew

In the 1950s, the first "B" block MOPAR engine was a 350.

Navigator

Would have like to hear about the 455SD engine in this listing.

Passenger

Great article as it was packed with information on the displacements and I learned something today.

New Driver

Buick and Olds both had 425s as well.

Passenger

Chevy had a 292 straight six, and Ford had a 292 Y block.  Plus you didn't mention the chevy V8 305 along with the GMC 305 V6

Passenger

289.... Ford and American motors Avanti

New Driver

Hold yer' horses ... what about Pontiac's 400?

Passenger

Excellent article.  Of course, the nit pickers will descend, including me.  What happened to the Buick 425 nail head sitting in my Riviera?

Passenger

What about the 289 from both Ford and Studebaker??

New Driver

390 and 429 were in Cadillacs too.

Passenger

Ford made the 292 CI Y-block V8 and Chevrolet made the 292 CI 6-cylinder.

Pit Crew

Also a 327 Packard straight 8

New Driver

401 was not the largest nail head. 425 nail heads were in the 64-65 Buick Riviera's. 

Passenger

Buick made a 300 CI V8 and Ford made a 300 CI 6-cylinder.

Pit Crew

Packard had a 352 cubic inch V8, as did Ford.  Before their V8's in 1955, Packard had a 327 cubic inch straight 8 - match to displacement of Chevy 327 V8 - and a 288 cubic inch straight 8 - close to a Ford or Studebaker 289 V8 in displacement.

Pit Crew

GMC also had a 302 - a 6 cylinder.

Ford had the 221 V8 from 1962-1963 and in Flathead form from 1932 & later.

New Driver

The 425 was actually the largest Buick "Nailhead" ...

Navigator

As long as you are letting in truck engines, the 50s GMC 302 six cylinder was a popular swap into early 50s Chevy cars.

Pit Crew

International and Mopar also had different 392's.  In Cornbinders, it was optional in pickups from 1969 until the end of the Light Line in 1975, although they also used the AMC 401 intermittently circa 1973-74.  As for Chrysler products, it was the biggest displacement for the original Hemi in the 1950's.

Then there's the Ford and Studebaker 289's - completely different engines. 

Pit Crew

I own a Studebaker Lark and a Studebaker Avanti.  When I'm asked the displacement of the cars' respective motors and respond "289," most people think I'm running a transplanted Ford engine.  I always explain, "No Studebaker made this motor, you can't copyright or trademark cubic inch displacement number."

New Driver