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Thread: During a hard pull.....

  1. #1
    Monogamous Gigolo verified
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    During a hard pull.....

    The car gets to about 5k and will buck, when I let off and accelerate lightly it runs fine. This makes me think this is related to higher boost.

    I thought this might be related to the EGR, but this time the CAL did nor turn on.

    Visual inspection does not reveal anything. Open to suggestions.

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    The one. The only. verified
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    Spark plugs

    [06-05, 19:29] OhioSpyderman: Brian, finding a woman is NOT the answer, you need to shop for a good VACUUM

  3. #3
    One fix at a time verified
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    Either that or you could have a huge boost leak.
    95 RT/TT Billet TD04s E70, DW1000cc injectors, ARC-2 with 92mm maf, 3SX fuel rail loop, hotwired Walbro 416/485, 3" FMIC, single small Krank vent, DR 3.5" downpipe and cat-back, DNP 02 housings, Hallman Pro MBC, BlackStealth LCDBC, AEM wideband, AEM oil pressure, Apexi S1 coilovers with SCE EVO 8/9 adapters, 3SX adjustable control arms, Spec 3+ clutch, Maximal solids/3SX poly motor mounts, Setrab custom SMOC, stock motor 127k miles, stock drivetrain.

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    Or may be running out of fuel, fuel pump on the way out?
    Jeff

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    I would say fuel supply problem as well, EGR should be out of the equation on a full throttle pull.

    A wideband AFR setup would be a good addition to your mods list, make sure you buy one that can datalog, My Zeitronix ZT-2 has been a godsend while tuning.

    Alternatively you could interface a good wideband/controller with your AEM2 for logging..
    GTO-TT, PTE 1200's, M20, Emanage Ultimate, OS Geiken R3C,
    TD04-16g`s, Maf-t. 13g`s 12.4@115mph / 16g`s 12.5@117mph.

  6. #6
    I don't own a VR4! Not Verified
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    Fuel pump/injectors or boost leak...
    Your 1993 Dodge Stealth is one of 6351 that received VIN numbers. Based on the order of the serial numbers, your car was the 5212nd out of the 6351 that were made that year.
    Your car was built in the 3rd week of February 1993. Of the 47380 vehicles made at the Nayoga plant, your car was the 40537th vehicle to be created that year.
    There are 281 other cars that were made with both the same interior and exterior color. There are 779 cars with the same exterior color and 2316 cars with the same interior color.
    Note: The production order is assigned based on the order of the serial number.

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    fuel supply/ Ignition/Boost leak. Had similar problem with friends vr4. It was plugs.

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    could be fuel cut, what boost are you running.

    Parting 6 speed
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    I don't bite
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    Spark blow out. New plugs and close gap a bit.
    1992 Kilder Green VR4 - First 4G swap in a 3S. 2.0, auto, awd. 9.65 at 143mph. Now LS swapped. 8.52 at 162.

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    Your car is broken, fix it

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