Originally Posted by RedXray

I think a o2 wideband would be a good investment so you can monitor the air/fuel ratio, especially at wot. Those white ashy plugs and glowing pipes are kind of disconcerting IMO. I didn't catch in your posts if you still have cats installed. If so clogged cats can also get the primaries quite toasty.

This is the wideband I got, works great and easy to install if you already have a bung on the crossover pipe. If not it comes with a weldable bung. Amazon