[99LeCouch]

jkp, yes, I've gutted the airbox on my LeSabre. That didn't make much of a difference back when I did it. It does now!

aerohead, my car has a lot more low-end grunt now. I'm using less throttle to get the car moving, and keep it moving. Also, the engine is knocking a lot less, which is letting me have access to the power it has. It was knocking before since the cylinders were getting slightly different amounts of air with the same amount of fuel for each because of the poorly-cast OEM intake manifold. Evening that out is giving me a mixture more consistent across all the cylinders. Thus, less knock.

The car is slowly learning its fuel trims after throwing a CEL for an emissions problem caused by me reversing two emissions hoses on a solenoid. Hopefully I'll have better fuel economy data to report after another few weeks.