Reply to "connecting rod nuts (again)"

George PAdmin.

replacing the connecting rod bolts has always been a standard thing to do here in the US, ever since the early 1970s. This is because every once in a while a connecting rod cap comes loose when retained by the OEM bolts & nuts. Everyone blamed the bolts. In reality it was only the threads stripping out of the nuts. This is true even of the premium nuts used on the 351 HO motors (Boss 351).

I have no way of knowing if the 351's manufactured in Australia have the same issue. You'll have to cautiously ask that question of one of the seasoned (old as the hills) 351C enthusiasts over there. I'm sure you are familiar with the unfounded rumors and opinions that certain 351C parts manufactured in OZ are superior to the parts made in the US. I wouldn't want to base the durability of my 351C upon a rumor. The ARP nuts are inexpensive, they are far better quality than the OEM nuts, and dropping the pan & replacing the nuts is relatively easy to do.

-G

5/12/1311:55 AM

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