[Coley]

Take note......Small blocks in heavy vehicles with lumpy cams tend to be sluggish off the line so hopefully this is not something meant to add performance where most truck guys most use it....down low.
I had one guy recommend to simply set up a spark plug wire or two to ground out with the flick of a switch.
That way, when entering a parking lot show'n shine situation you can flip the switch...get the 'lumpy' rough sound effect, but keep your money and your existing low end performance.


...just thinking out loud here.