Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Comparison table of engine dimensions for various American car models.

Identifier  ExFiles\Box 6\6\  06-page203
Date  20th May 1937 guessed
  
CAR | INLET THROAT DIA. | DIST. BET VALVE THROATS | EXHAUST THROAT DIA. | MIN DISTANCE BETWEEN BORES | VALVE CENTRES TO CYL. BORE | OVER ALL LENGTH OF CYL. BLOCK | BIG END DIA & WIDTH
---|---|---|---|---|---|---|---
8. BUICK SERIES 40 3³/16 BORE | 1³/8 | | 1¼ | ½" | | 31¾" |
OLDSMOBILE 8 CYL 3³/8 | 1³/8 | ½ | 1¼ | ¹¹/16 | 1³/16" | 32⁷/8 |
DODGE 3¼" BORE | 1⁵/16 | | 1⁹/32 | ⁵/16 | 1¼ | 23⁵/8 | 2·0 & 1·00
TERRAPLANE 3" BORE | 1¼ | ⁷/32 | 1³/16 | ⁵/16 | 1⁷/8 | 21⁷/8 |
FORD 60 | 1·3 | | 1·3 | | | | 2·2 & ¹³/16
PLYMOUTH | 1⁵/16 | | 1·3 | | | | 2·0 & 1·0
CHEVROLET | 1⁵/16 | | 1¹/8 | | | | 2·25 & 1·25
CHRYSLER 6 3³/8 BORE | 1⁷/16 | ⁵/16 | 1⁵/16 | ⁵/16 | | 25½" |
OLDS. 6 CYL 3⁷/16 BORE | 1¹¹/32 | ½" | 1⁷/32 | ²³/32 | 1¹/8" | 27" |

ALL EXCEPT BUICK SIDE VALVE ENGINES.
  
  


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