Quote:
Originally Posted by Mdman352
I use a LM 1 as well. I use bungs welded into the exhaust pipe at the front of the collector. If you mount the bung towards the inside of the car there is no need to re-coat the pipe as it cannot be seen except from under the car. The LM 1 will do a much better job than an ear ever will. Well worth the money.
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Yes, make SURE you mount it somewhere on the collector as ANY exhaust leak with throw the readings off, ask me how I know.
I've got an LM1 on a twin turbo truck, and I mounted it just after the collector as the headers were already in the truck.
Well, even with a V-band exhaust clamp I still have a very slight leak which drives the AF gauge wild. So guess what I will have to do all over again.............
