Thread: 40 backfire
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  #16  
Old 01-18-2013, 12:25 PM
SteveH SteveH is offline
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Join Date: Aug 2006
Location: Colo Springs
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Doug - the emission sticker under the hood should say 'non catalyst' on it - and unless it was a very late '78 that was '79-spec, it should be cat-free. Ignore the 'unleaded fuel only' sticker - that doesn't indicate the presence of a cat. I'm pretty sure you have a pure '78 model year truck.
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