David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting

Another thing about building the 1969 318, 9.2:1 cr 230 HP engine is the fact that they have the "Free Floating Rods" that are 32 Grams lighter that the common heavier press fit 645 rods.

Saves a lot of effort and more accurate than trying to lighten up the 645 rods by grinding.

Check out this weight comparison posted by ToolManMike back in Feb. 2022:

Full Float Compare.png