Quote:
Originally Posted by Shane@DBPerformance
Why would the A/F have changed at all though with such a minor exhaust side change. Was it a lot different?
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Why the change? I don't know, but my car got quite a bit richer after the o2 elim dp install so for whatever reason higher flowing exhaust path = rich on my car.
November tune vs. ported manifold run (for some reason the dyno database won't show my AFR from the pre-manifold baseline, but at the time we compared it vs. the November tune and it was nearly identical):
