Morris Minor Owners Club

Hi

Does anyone know the thread size on the spare wheel clamp bolt? Got one from online suppliers and its too big. Did they do two different sizes?

Thanks

John

Is it not 3/8" unf - same as wheel studs? Should have head to take the wheel brace.

Make sure the hole isnt full of paint before you condem it.........

Looks like it may be a bit of spatter from a weld? I will re tap and all should be OK.

Thanks

John

There are different threads, what year car?

Hi its 1969, just looked at the bolt again and it does look too big. Are there two different sizes of bolt dependent on year of manufacture?

Thanks

John

There were BSF and UNF threads, there was a change of bolts at car 451179. There may have been a subsequent change when the fuel tank was changed from 5 to 6.5 galls

I assume mine will be a BSF thread? but what diameter, 5/16

thanks Mike

John

Should be UNF thread