| Revision as of 03:21, 31 May 2025 ddgonzal (Talk | contribs) <- Previous diff | Current revision ddgonzal (Talk | contribs) | ||
| Line 1: | Line 1: | ||
| - | {{BackTo|A14}} | + | {{BackTo|Crankshaft}} | 
| = Overview = | = Overview = | ||
| - | '''77mm stroke''' inherited from the [[New_A13|1974 tall-deck A13 engine]]. This is a big difference from the 70mm stroke of the [[Engine|A12 engine]]. | + | '''77mm stroke''' inherited from the [[Old_A13|1974 tall-deck A13 engine]]. This is a big difference from the 70mm stroke of the [[Engine|A12 engine]]. | 
| {{RefCode|H62}} designed for LB210TRU A13 engine | {{RefCode|H62}} designed for LB210TRU A13 engine | ||
| Line 13: | Line 13: | ||
| Scalloped and Un-scalloped crank throws | Scalloped and Un-scalloped crank throws | ||
| - | <br>{{Album|25674}} | + | <br>{{Album|25674}} | 
| = H62 = | = H62 = | ||
Current revision
<-- back to Crankshaft
[edit]
Overview
77mm stroke inherited from the 1974 tall-deck A13 engine. This is a big difference from the 70mm stroke of the A12 engine.
 
H62 designed for LB210TRU A13 engine
A14 #H62 unscalloped original A14 M23 F10 M49 F10 #H89 scalloped updated A14 crank
Scalloped and Un-scalloped crank throws
 
[edit]
H62
A14 H62 12200-H6200 1973-1979.09 straight crank throws
 
  
  
  
  
[edit]
H89
A14 H89 improved lightweight crankshaft
- scalloped crank throws for strength lightening
- radius fillet change for improved rod bearing oiling
12200-H8900 starting 0879 <> 12200-H6200
 
  
  
H8940 crankshaft vs H6200 main journal fillet radius change
 
¤

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