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Obd2 To Obd1 Conversion

Discussion in 'ECU's, Electronics, and Tuning' started by Pewble, Mar 29, 2003.

  1. Pewble

    Pewble Senior Member

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    I need to convert my OBD2 to OBD1, For two reasons. One is I recently installed a High-flow Cat, and I need to bypass the O2 sensor so my check engine light is disengaged. Second reason is because instead of buying a simulator to emulate this effect, OBD1 will not check this, and then conversion can offer a horsepower advantage because OBD1 is better and because I am getting a Skunk2 / Or Mugen Chipped ECU combined with the OBD1 conversion ( The chip converts and acts as an ECU, and is a P28 chip ).

    Another question...

    Mugen or Skunk2 ECU program? which is better? .... my engine has stock internals ... THANKS.
     
  2. AllMotorMonster

    AllMotorMonster Senior Member

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    Are you asking a question or making a statement?

    Stock internals? = Stock P30 chip.
     
  3. saturn_boy96

    saturn_boy96 88 C1V1C 53D4N DR1V3R

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    first i think you should change your name to "newble" and then repost your question in english. thanks
     
  4. Vexamus

    Vexamus Member

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    ok, firstly, highflow cat wouldn't cause O2 sensor codes, the o2 sensor lies before the cat anyway(I ran with a straight header after my swap with no codes...)

    Secondly, to convert to OBI, you're going to need a conversion harness, an OBDI ECU, an OBDI distributor(because of the differences in the Hall Effect sensors located in the block and distributor housing).

    I think you need to do some more reading before you spend money.

    If you've got stock internals, then don't waste you're money on a JUN or Mugen chip. If you wanna spend money on a tunable ecu, buy a stock P30 and drop a Hondata in it. You'll be much happier with it in the long run.

    JUN and Mugen chips are designed for highly modified Type-R engines, that's a B18C5 with internals and a valve job.
     
  5. pills_PMD

    pills_PMD Super Moderator

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    first off, forget the mugen and jun and skunk2 chips...

    you'll run soooo rich it's ridiculous.. .want proof??
    click here for a skunk2/p30/p61 comparison

    you;'l run like 11:1 a/f which = slow ass shit yO.

    i agree with the obd2 --> obd1 conversion, but i suggest a hondata chipped p28.
    i can write you the chip if you need it and probably get you pretty close, as i've spent time and money on a dyno tuning my b16 with hondata.
     
  6. TRuggiero_

    TRuggiero_ Senior Member

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    I can tell you exactly how to build an 02 sensor simulator if you want. It'll cost about 10 bucks in parts, or I can make one for you.
     
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