Running extremely rich

Discussion in 'General Tech' started by cumbersome101, Apr 25, 2016.

  1. cumbersome101

    cumbersome101 New Member

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    I have a 94 with a 347 stroker. The car has a excellent build list. Long story short is I changed the oil and it had traces of fuel in it. I knew it was running rich.... But not that rich. I've only truly gotten on it twice and one time it popped and smoked. It has aero motive complete fuel system.. I am just wondering why is it so rich. The previous owner told me the car ran great last December when he owned it. But that was Florida I am in Arkansas at 800 ft elevation. I don't think a tune would be that much issue..
    Fuel pressure regulator?
    02 sensors?

    Help me out where do I start.
    Btw I have a slot style MAF and Id 1000s with a smaller pulley to be installed soon.

    I want to get all my ducks in a line before I tune


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  2. AzzLyp

    AzzLyp Member

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    It doesn't sound like you have a wideband installed... Do you?
     
  3. cumbersome101

    cumbersome101 New Member

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    Nope.... U got one that u want to sell me?


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  4. AzzLyp

    AzzLyp Member

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    Lol, no, can't say that I do. I'm installing one in my car too though, for the same reason.
     
  5. Witzy0070

    Witzy0070 Active Member

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    Honestly an AFR gauge can tell you a lot. If it's built, I really would install one. If anything it can help narrow issues down for tuning and your current predicament. It's a good place to start.