K5 Blazer 1969-1994
While this model ended its run, it is not uncommon to see them on the road or off, years after production end.
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'84 K5 Smog issue

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Old September 22nd, 2009, 3:24 AM
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Exclamation '84 K5 Smog issue

I bought my K5 several months ago with no smog equipment attached. I DO have all the equipment, it's just not on the engine. I'm trying to find a smog diagram to reference, because I don't want to green tag my truck for only off-road. Anyone know where I can find one?
Old September 22nd, 2009, 5:28 PM
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Your best bet would probably be a factory service manual. You can also find a friend with an '85 or '86 as both are very similar in smog system. You might could even go back a couple of years. You can buy the manual online fairly cheap. You can get a book or a cd to put in computer.
Old September 22nd, 2009, 5:31 PM
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I can get you one, what motor size is it?
Old September 22nd, 2009, 5:48 PM
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305 unless it's been converted?
Old September 22nd, 2009, 5:52 PM
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Hmm, my database says there is a 5.0, 5.7, & a 6.2 desiel for the k5.
Old September 22nd, 2009, 5:55 PM
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well you can eliminate the 6.2...no smog...well at least mine has no smog

vin code F...305 5.0

vin code H...305 5.0

vin code L...350 5.7


i think these are right

Last edited by myotherchevyisablazer; September 22nd, 2009 at 6:28 PM.
Old September 22nd, 2009, 6:52 PM
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The motor is a goodwrench 350 (only 62k miles on it) with a cam just a little better than stock. It has smog legal headers on it, but the rest of the smog equipment is in a pile in my garage.
Old September 22nd, 2009, 6:58 PM
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Ok, there are a few different ones depending on where it was sold, here is the california emissions one.
Attached Thumbnails '84 K5 Smog issue-vac-k5-84-ca.jpg  
Old September 22nd, 2009, 7:01 PM
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Jeez that looks complicated. Grew up in Texas, never had to worry about this smog crap til I moved to California.
Old September 22nd, 2009, 8:57 PM
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Just take it one part & line at a time, it just looks complex.


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