Understanding the long and short of gen III cranks

摘要

It seems that the thirst for knowledge on the Gen III GM engine applications is growing almost as aggressively as the information for the 4.6L Fords. I addressed the subject of Gen III long and short crankshafts in a recent column (See September 2004 Engine Builder Core Corner). But based upon the number of responses from readers, it is apparent that there continues to be some confusion about when and where the long and short flange cranks apply, so let's look at an update and some additional information that should be helpful.