The GMC rods I am using are the "419"s; They are 7" C to C; same big end bore as the 235/261; need the big end narrowed to 1.24 and the pin bore bushed to fit the Buick pin. The "GMC by the numbers" web page list these as "late 270/early 302; .990 pin bore; narrow bearing tab", however these rods have the wide locking tabs (approximately .250); I am wondering if I have an odd set of rods or if the web page information is wrong. I don't know that the locking tab width makes any real difference.
quote=Armond, II#298]Not all Jimmy rods are the same, look for the "419" rod (.990 pin, if memory serves me). By the time you clean it up it's not too bad running the Buick wrist pin. [/quote]
