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    Misfire help

    Hello, Having a misfire in my 99 cobra. Changed out spark plugs and coil packs, still an apparent misfire on bank 1 - passenger side. When I unplug the fuel injector on driver side, the car acts normal and sounds different. When I unplug ANY of the 4 fuel Injectors on bank 1 - passenger...
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    Is this catch can setup correct / safe?

    Installed my first catch can. Read that the passenger side was the route to go on these cars. My procharger was a bit in the way but was wondering if this setup looks fine? I think I may get a longer hose for the intake side as I had to adjust my fitting upwards in order for the hose to not kink.
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    WANTED: OEM Motorcraft CX-1654 Idle Air Control Valve

    Looking for an OEM IAC valve for a 99-01 cobra. Motocraft Part # CX-1654. Let me know what you have.
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    Best IRS / Suspensions upgrades?

    What are the best IRS / suspension upgrades to improve handling, etc? Looking at doing Bilstein B12 coilover kit but wanted to know if there is anything else i should consider doing that will make a noticeable difference in handling. Thanks for any input!
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    FOR SALE: ACCUFAB Mustang Cobra 4.6L 2003-2004 Throttle Body

    Selling a used Accufab throttle body for an 03 04 Cobra In good working conditon. Cleaned as best as i could. MSRP $445 Price $250 or best offer plus shipping.
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    Car issues after tune

    Hi everyone, Recently got my 99 Cobra back from the tuner, its got a procharger, comp cams XE-R series. It HAD a MegaSquirt MS3Pro however i decided to remove it and re-install factory since im not making crazy horsepower. The car did not do these two things prior. Also replaced the upper...
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    FOR SALE: MegaSquirt MS3 Pro - 1999-2004 Mustang Plug and Play ECU

    SOLD SOLD SOLD SOLD SOLD Used like new MegaSquirt MS3 Pro ECU. Plug and play for all 1999-2004 Ford Mustangs. Comes with the serial to USB adapter, pinouts, and vacuum line. Perfect working condition recently removed from my 99 Cobra. PRICE: $900 obo. MSRP's for $1500.
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    WANTED: 99/01 Upper Intake Manifold

    Looking to buy a 99/01 Upper intake manifold ASAP Let me know what you have, looking for something non ported, completely stock
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    Anywhere i can find an OEM 99/01 Cobra Intake Manifold?

    Anywhere i can find an OEM 99/01 Cobra Intake Manifold? I need a new upper intake manifold on my 99 cobra. Looks like previous owner did a backyard port job and is causing a ton of idle issues. Anyone know where i can soure an OEM upper intake manifold? I checked ebay - seems i can only buy...
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    P1SC ProCharger Blow off Valve?

    Hello, attempting to figure out if my P1SC ProCharger has a blow off valve on my 99 Cobra. Only reason i am asking is because i bought the car with the ProCharger already on it however i dont have any supercharger noises. Does the P1SC require a blowoff valve, and if so, where would it be...
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    Best replacement brand AC compressor

    Need some advice on the best replacement AC compressor for my 99 Mustang Cobra. Any specific brands you all reccomend? Want something that will last.
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    99 Cobra / engine questions

    Good afternoon everyone, Recently inherited a 99 Mustang Cobra with 65k miles. Car has had some work done to it, however i found out its pushing 515 whp and from what i have looked up thats too much for stock internals. Car has a new fuel system, comp camps, timing chain re-done recently...

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