O2 sensor thread

[Charles Grosjean]

John Napoli <jgn at li.net> writes:

>> The thread is 18 x 1.5 mm. I had to go to a tool & die shop to find a tap 
>> and it was $32.00.
>> 
>> Mike M.

>Jeg's sells a O2 sensor mounting lug -- weld on -- for 8 bucks.  Free
>delivery, too.

K&N also makes a weld-on boss and I think Racer's Wholesale has it for about
four bucks or so. I was a little unhappy with the finish, but I'm sure it
would work fine.

Charles