Hey guys:

Has anyone noticed an improvement in fuel efficency or the way the car runs after changing the O2's? I'm just trying to improve the daily drivability, fuel milage of my 95 Z28. The most noticable thing that I feel as being off, is that my RPM's don't come back to idle as soon as I get the clutch in. It ussaly take a second after I come to a stop. Not particularly bad but...

I have cleaned the TB and IAC.
New Fuel filter
New K&N
I bought the car with 20k and it had Nology wires so assume the plugs were changed as well. It now has 60k.

Thanks,
Asim

 

Maybe clean the MAF. I didn't notice any improvement when I put my 02's in.