Given the choice to pick between to equal length connecting rods, both of sufficient strength for your application, which of these do you choose:
1) Pressed pin I beam 616 grams
2) Floating pin I beam 657 grams
Assume pistons weigh the same.
Application is a road course endurance racing engine which will live under 6500 rpm. Piston speed under 5750 fpm. Stroke ~3.27" if it matters.
If you care to share... What would you do and why?