Geoffery,
The injectors won't need replacing if they are kept clean by running fuel
injection cleaner through it once in a while. I run "Chevron Techron" about
every 5th tank of gas. I've found that preventive maintaince is the cheapest
answer.
As for the O2 sensors, they tend to slowly deteriorate from the very
beginning but you cannot really put a life expectancy on them. Some fail at
10,000 miles and some last 100,000. I would expect a life of 60-70 thousand
though. Ron, may can give you a better answer to this question than I can.
Bill
SEMIHEMI01@AOL.COM (Bill C.) 2001 QC, 4.7L, 5spd. 3.55 LSD
K-N + Cool-Air, Quick-D TB, 10w-30 MOBIL 1, 180 T'STAT, SilBlades
GIBSON 3" Single Side-Swept cat-back, G-TECH, <A
HREF="http://hometown.aol.com/semihemi01/">"THE DAK"</A>
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