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01-03-2007, 09:40 AM
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#1 |
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Registered User
Join Date: Jun 2002
Location: Kansas City, MO
Posts: 186
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Catalytic Converters
Does anyone know what year they started putting catalytic converters on the trucks? Mine is a 75 half ton long bed with 350, 12 bolt, and 3.43's. Does this make it a heavy half? I thought they started putting on cats in 75, but some of the trucks didn't come equipped. Is there anyway to know by the VIN or other info weather or not it originally had a cat?
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01-03-2007, 09:45 AM
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#2 |
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Registered User
Join Date: Mar 2006
Location: Norman, Oklahoma
Posts: 553
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Re: Catalytic Converters
i think 75-76 is when they started on these trucks... dont hold me to that though...
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1973 Chevrolet C20 (Under Construction) |
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01-03-2007, 03:38 PM
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#3 |
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Stepsides RULE
Join Date: Jul 2004
Location: Pineville, LA
Posts: 1,921
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Re: Catalytic Converters
From www.73-87.com 's Info page:
1975: catalytic converters were also made standard equipment on all trucks under 6,001 gross vehicle weight (GVW) 1979: Catalytic converters are now standard on all trucks with GVW up to 8,500 pounds Again Jeff's site answers the question 
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1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord |
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