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01-29-2004, 09:24 PM
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#1 |
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Registered User
Join Date: Nov 2003
Location: Central NY
Posts: 93
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Wondering what a 1972 came with...
Can someone tell what a typical 1972 Chevy truck with a 350 would have had for emissions.
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69 Chevelle (Summer only ride, love to drive this) 72 Chevy Shortbox 4x2 (newest addition) 83 Chevy Shortbox 4x2 (project but its clean) 2001 S10 Ext. Cab 4x4 (daily driver) |
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01-29-2004, 09:42 PM
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#2 |
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,014
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All the ones I have owned came factory with a y-pipe to a single exhaust with just a muffler. I've seen them with the A.I.R. system but no EGR or catalytic converter on them. It depends on where the truck came from originally to know what emissions equipment it had on it.
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01-29-2004, 10:10 PM
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#3 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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I believe the 49 state trucks came with pvc,transmission controlled spark (didn't allow the vacuum advance to work till high gear) and the vapor canister that sucked the fumes out of the tank and burned them. I believe that California trucks also had the air pump.
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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01-29-2004, 10:13 PM
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#4 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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Mine only came with a PCV valve and the tube from the valve cover to air cleaner.
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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