Re: 4.7 exhaust questions

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Hey Bill, where is the downstream sensor located? after the #3 cat? And the
upstream sensors ARE before the pre-cats??

Will Coughlin willcoughlin@hotmail.com
'00 reg.cab,2wd,4.7L/NV-3500HD5-spd/3.92sg(9.25")
http://www.geocities.com/willcoughlin/index.html

----Original Message Follows----
From: SEMIHEMI01@aol.com

Bill,
     I I remember right,There are two O2 sensors are just upstream of the 2
precats, On each side of the Y pipe and 1 downstream on the 2001. This is
one reason I would not screw with the Precats. A hi-flo cat at the end of
the
Y pipe might be to an advantage. Bill

SEMIHEMI01@AOL.COM (Bill C.) 2001 QC, 4.7L, KENNE BELL SC'ed, 5spd.
3.55 LSD, Bored & polished TB, 10w-30 MOBIL 1, GIBSON 3" Single <A
HREF="http://hometown.aol.com/semihemi01/">"THE DAK"</A>

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