Emissions
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Joined: Sep 2004
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Emissions
i got a 78 f150 with a 351m i need to know what i need for emisones.i know i need a pcv valve and egr valve but i dont know any thing else when i bought the truck over a year ago it didnt have any of it an know im almost done rebuilding the truck and know i dont know if it had cats on it and a smog pump if any one knows a site i can find out i apreacite the help i called ford there going to send me my build sheet but i like to put exust on it this week
More Turbo
Joined: Mar 2002
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From: Colstrip, MT
Trucks manufactured for sale in California would have different requirements for emissions than the other 49-state trucks. If the DSO code shown on the vin plate on the door is NOT 71 or 72, then it is probaly a non - CA emissions truck. This means that the emissions requirements are PCV, EGR, and leaded gas without a catalytic converter. If your lucky enough to have the original engine with the emissions sticker on the valve cover, it would say non-catalyst on the emissions sticker.
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i looked on the door and there is no dso code shown on the vin plate so im thinking its not a ca emissions truck its not the original engine i put this one in i didnt see no sticker on the one that was in the truck
More Turbo
Joined: Mar 2002
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From: Colstrip, MT
A DSO code would be stamped on every truck manufactured. It simply indicates which "district" the truck was shipped to for sale. It would be a two digit number on the lower right portion of the tag on the door frame.
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the sticker sows the dso code on the bottom left and its blank if there was something in the box i might of removed it when we paint ed the truck cuse i for got to tape that up and had to use thinner to get the paint off on the bottom right side in a little box the is a bunce on numbers but it dont say what it is for
