AFR Guage Options

[mb911]

I am looking for something to set my carbs. Lm1 use to be the go to. What does everyone use now?

[mb911]

Thanks. Not understanding your 1" spacer comment. What I see in the picture is a standard 02 bung fitting? At least it is on my products

[914Toy]

Thanks. Not understanding your 1" spacer comment. What I see in the picture is a standard 02 bung fitting? At least it is on my products

My SS headers came with approx. 1/2" deep bungs (1/2" of thread). The threaded length plus the probe of the O2 sensors is about 1" long. Thus the O2 sensor probe extended well into the gas stream (exhaust flow) about 1/2". After discussion with Innovate tech guy, I bought one of their simple 1" bungs (looks like a pipe coupler) with the correct thread, carefully cut it into two 1/2 inch bungs and had each of these welded onto the 1/2" inch bungs already on my headers - the pic shows the weld if you look carefully. As the thread on the O2 sensors is about a half inch long, the added piece of bung is long enough to cynch up the O2 sensor before it reached the thread in the original Bung, so that any misaligned thread from the original bung and the welded on bung piece is not a problem. The result is that the O2 sensor probe only just reaches the gas flow instead of being in the middle of it.