which o2 is which?
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Joined: Jan 2002
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From: Fullerton, CA, USA
which o2 is which?
On a b16a1 stock exhaust manifold, which is the primary o2 and which is the secondary? Is the primary for cyllinders 1-4 and the secondary for 2-3? Thanks in advance.
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accordfreak
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Feb 22, 2011 08:34 PM