I use a Stilson wrench and a four foot heavy pipe as a cheater. 

Karl Wolz
Sent from my electronic umbilicus

> On Jan 31, 2015, at 11:59 AM, Stuart MacMillan <stuartmacm@GMAIL.COM> wrote:
> 
> Well, first attempts with a 22mm box wrench and heat have failed. Should I
> break it off and use a regular 22mm socket?  Get a 7/8" special O2 sensor
> socket, which is slightly larger, so I can put a long bar on it? Take it to
> a muffler shop?
> 
> 
> 
> Other ideas?
> 
> 
> 
> Thanks!
> 
> 
> 
> Stuart