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  1. Thread: 93 LT1 C4 Lean

    by LT1C4
    Replies
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    5,201

    I'm not sure if my idle screw has been messed...

    I'm not sure if my idle screw has been messed with. But here it is. Anyone know if that looks like it's been messed with?10313
    Does that sound like a vacuum leak? My idle is not high, nor does the...
  2. Thread: 93 LT1 C4 Lean

    by LT1C4
    Replies
    7
    Views
    5,201

    Right bank does go lean, just not as much as the...

    Right bank does go lean, just not as much as the left bank. To be more clear, the right bank is lean as well, but for less time. At idle, right bank blm is around 120-124. Would that be adjusted...
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    2,583

    WANTED- 1 Fikse FM5

    I am missing one FM5 to complete my set. It's going on my 93 C4. If it came off a 88-96 C4, any year C5, any year Fbody, it will fit. If you have, or know of anyone selling, let me know please.
    Size...
  4. Thread: 93 LT1 C4 Lean

    by LT1C4
    Replies
    7
    Views
    5,201

    At least that's what the fuel trims are telling...

    At least that's what the fuel trims are telling me. Left bank BLM at idle is 140-144. I know perfect is at 128. I only get like 13mpg city. But highway it is perfect, at 25 mpg. My IAC counts are at...
  5. Replies
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    2,874

    Thanks! I am somewhat familiar with Euless.

    Thanks! I am somewhat familiar with Euless.
  6. Thread: 93 LT1 C4 Lean

    by LT1C4
    Replies
    7
    Views
    5,201

    93 LT1 C4 Lean

    Hey everyone, new here. Well this is an issue I have been trying to solve. I have made the car less lean that it was. Runs good, picks up great. 79k miles. All stock except for chambered cat back and...
  7. Replies
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    2,874

    New from Dallas, Tx

    Hey everyone, first time poster from Dallas. Ride is a 93 LT1 C4. John from 1320electronics recommended this place. Mandatory pic of my car. Brandon
    10312
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