Quote:
Originally posted by antero
Just checked my log at 5000 rpms. My front O2 is 0.98 volt, and the rear is 1.00 volts. Wow.
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Yikes. You need to pull some fuel on that bitch
There rear will always read slightly lower than the front. I thing the front is more accurate because it's a bit cooler due to the steel manifold vs the rears cast one. The stock O2's are more accurate when they are cooler.