360 Internal or External Balance??

pagilman said

Are you guys saying only forged cranks are internally balanced?

Click to expand...

No.

All 273's used a forged crank and were all internally balanced.

All 318's were all internally balanced and used both forged and cast cranks depending on the year they were made.

340's with a forged crank were internally balanced but later 340's that used a cast crank were externally balanced.