The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

FirstGen · 08-17-2005, 08:13 PM

no need to argue, I do this for a living. You don't need the rear O2's at all for performance. O2 sims are just a way to keep it from throwing codes with out editing the PCM. They are just for emissions.
Take care.

08-17-2005, 08:13 PM	#45
FirstGen Just Don't Stop! Join Date: Feb 2004 Location: Dallas Posts: 1,239	no need to argue, I do this for a living. You don't need the rear O2's at all for performance. O2 sims are just a way to keep it from throwing codes with out editing the PCM. They are just for emissions. Take care. __________________ 1968 C10 build in process TT LSA/6L90e/9"