Quote:
Originally Posted by Danglerb
Diverter sends the air pump flow to either the cats or the air filter box. Used I think only during cold start when mixture is rich.
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Yes, hence the hose that fits under the Air Box. Mine doesn't go directly to the Cat as some set ups. Mine goes to the Heads, I don't have that extra air tube coming out of my Cat. Does this set up act like an EGR does? I read somewhere that doing the same test on an EGR "does" stumble the engine.
I got a lot to learn about the stupid smog system. Is there a diagram for us CISers on the Smog System and routing?
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior
1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
