This is topic help on smog in forum Tech Talk at Northern California Ford Owners .
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Posted by 23boy5.0 (Member # 5511) on
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i have an 87 mustang 5.0, i need to know what hoses need to be attached, what plugs need to be plugged and whatever else is needed to pass smog. all i have on my car is mac headers, i took all of my other parts off and now its near stock, but when i open the hood and the car is on i smell exhaust, and i know its not gonna pass smog like that, thanks
Posted by NO MANRZ (Member # 566) on
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What have you taken out? If your motor is stock, you shouldn't need to connect any extra hoses or anything. If you smell exhaust under the hood you may have a header leak at the heads or at the H pipe.
Posted by 23boy5.0 (Member # 5511) on
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it is a stock engine, but not the original. all the hoses seem to be connected except the hose in the picture 
[ October 26, 2005, 04:29 AM: Message edited by: 23boy5.0 ]
Posted by blind (Member # 3052) on
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that hose is for a/c only, absolutely nothing to do with smog
Posted by 92stangLX (Member # 3252) on
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that picture is kinda small but the hose appears to be the AC line. That does need to be connected to pass smog.
Make sure you fix your exhaust leak. Also, make sure you have CARB numbers for the intake and headers.
Also, looks like you have some sort of CAI or power pipe. You may have trouble w/ that if it doesn't have a CARB number.
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Posted by 23boy5.0 (Member # 5511) on
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on the headers where would the carb number be?
Posted by blind (Member # 3052) on
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mine are here:
right on that welded on plate that says BBK is the carb #
Posted by shakalaka916 (Member # 6057) on
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if u had them off you would be able to see it but when i smogged my ex 91 gt i had shortie mac headers and they were fine with it get the carb number from the mac website is it a smog or test only
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