AMC V-8s

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(Many corporate divisions within the greater Borg Warner entity)
(There were the other initial Hudson V8 and Nash V8 names until '57.)
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All 250 engines were made having solid lifters and adjustable rocker arms. All 287 and most 327 versions came with self adjusting hydraulic lifters. These engines were also used by Grey Marine for boats in the late '50s through the mid '60s. All the marine engines used solid lifters regardless of size. The easily removed 'two wingnut' style valve covers imply original solid lifter design.
 
All 250 engines were made having solid lifters and adjustable rocker arms. All 287 and most 327 versions came with self adjusting hydraulic lifters. These engines were also used by Grey Marine for boats in the late '50s through the mid '60s. All the marine engines used solid lifters regardless of size. The easily removed 'two wingnut' style valve covers imply original solid lifter design.
  
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AM's '56-'67 Rambler V8 has only recently been re-labeled 'Gen 1' by newer AMC enthusiasts. This labeling was first used by AMC writer Frank Swygert (aka editor/forum member 'farna') in an effort to describe the engine chronologically. Technically the labeling is correct; this is the first generation of AMC V-8s, AMC having been formed in May of 1954 and V-8 engine development starting in 1955. The 1966-'69 second generation models and 1970-'91 third generation models are very similar (to each other, only bore centers are in common with the Gen-1), but having a different block and head casting led to the labeling of Gen-2 and Gen-3. "Series" could have been used instead of "Generation", but "Generation" (shortened to "Gen") seemed to be the most correct description. Previously the first generation AMC V-8 had been (and still is) referred to as either the "Nash V-8" or "Rambler V-8". It was used in both Nash and Rambler branded, as well as AMC branded, cars ("Rambler" was dropped from the 1965 Marlin and 1966 Ambassador, those being branded as AMC models). Technically it was built by the American Motors Corporation, not Nash or Rambler.
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AM's first V8 was called 'Rambler V8' in all the old automotive literature. The alpha-numeric 'Gen-1,2,3' names were never used in any American Motors publication.  
  
 
'Gen-1', 'Gen-2', etc. labeling ideas were first used by Chevrolet small block V-8 enthusiasts to distinguish the differences among that group of very similar engines. This has apparently led many to believe the terms were "borrowed" from the GM engine family or that a GM enthusiast created the labels. There was a small effort to distinguish between GM and AMC labels: GM models are typically labeled with all capitals (GEN-1, GEN-2, etc., sometimes with no dash), whereas Frank used a single capital (Gen-1, and always a dash). The label was used because it is technically correct and fits. GM's labeling wasn't even considered until others pointed out the similarities, and made the assumption that the labeling was "borrowed".
 
'Gen-1', 'Gen-2', etc. labeling ideas were first used by Chevrolet small block V-8 enthusiasts to distinguish the differences among that group of very similar engines. This has apparently led many to believe the terms were "borrowed" from the GM engine family or that a GM enthusiast created the labels. There was a small effort to distinguish between GM and AMC labels: GM models are typically labeled with all capitals (GEN-1, GEN-2, etc., sometimes with no dash), whereas Frank used a single capital (Gen-1, and always a dash). The label was used because it is technically correct and fits. GM's labeling wasn't even considered until others pointed out the similarities, and made the assumption that the labeling was "borrowed".

Revision as of 08:49, 10 July 2020

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