Flat Head Main Cap Fasteners

[Hrdlx62]

Getting ready to assemble a 1940 ford 221 CI Flat Head, one of the main cap studs threads is damaged beyond use. What would be a suitable replacement for the stud? Could one use a grade?? bolt of the proper length and torqued accordingly and feel OK about the integrity? I would replace all the main fasteners with new. This is a stock rebuild engine.

[pdq67]

Might go over to "The HAMB" and ask.

The ol' "Hokey Ass Message Board"..

pdq67

[Speedbump]

Speedway sells an ARP kit for $30 which would be a nice upgrade, but probably un-needed. Any good auto parts place that handles Dorman studs should be able to get you a grade 8 stud that will replace the one you need.

[PackardV8]

Speedway sells an ARP kit for $30 which would be a nice upgrade, but probably un-needed. Any good auto parts place that handles Dorman studs should be able to get you a grade 8 stud that will replace the one you need.

For those prices, make 'em all new and thus all the same. Henry definitely didn't use grade 8 hardware, probably not even grade 5.

[Kahuna]

Go to the Fordbarn forum. Someone there will know. Or, call Joblot in NY Ask for James. He'll have what you need

[Hrdlx62]

Bolt kit on the way from Speedway Motors. Overkill for sure but studs alone from Dorman thru our warehouse were a tick under 20 bucks then add proper nuts and washers makes it pretty obvious to just pop for the ARP stuff. Thanks for the help.

[DaveMcLain]

Speedway sells an ARP kit for $30 which would be a nice upgrade, but probably un-needed. Any good auto parts place that handles Dorman studs should be able to get you a grade 8 stud that will replace the one you need.

For those prices, make 'em all new and thus all the same. Henry definitely didn't use grade 8 hardware, probably not even grade 5.

No he didn't because if you ever work on any of those old Fords you'll find that the fasteners exceed grade 8 by a wide margin.