88 5.0 LX HELP !!!

Discussion in 'Fox 5.0 Mustang Tech' started by 1980pintobean, Jan 13, 2008.


  1. 1980pintobean

    1980pintobean New Member

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    I BOUGHT A 88 5.0 LX, HERE ARE A FEW THINGS THAT WERE DONE TO IT BEFORE I BOUGHT IT. CAM SWAP NOT SURE WHAT CAM WAS USED. IT HAS A 410 GEAR, RATCHET SHIFTER, LINE LOCK. NEW EXAUST WITH FLOWS. THE 02 SENSORS HAVE BEEN REMOVED. I AM NOT TOO FAMILAR WITH THE FUEL INJECTED 5.0 THE CAR IDELS AT 2000 RPM & HAS A STUDDER IN IT WHEN YOU GIVE IT GAS. I WAS TOLD I NEEDED TO CONVERT IT TO A MASS AIR SET UP WITH COMPUTER AND ECT. WILL THIS FIX MY IDELING ? WILL IT BE BETTER TO CONVERT IT TO A CARB SETUP.IF SO IS THERE ANYTHING SPECIAL IN CONVERTING TO CARB THAT I NEED TO KNOW? THE CAR IS NOT A DAILY DRIVER, I PLAN ON RACING IT & JUST CRUISE IT THREW TOWN.


    THANKS FOR ANY HELP
  2. Black1987Stang

    Black1987Stang Active Member

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    You need to make a signature or tell us what other mods you have. I'm a fan of efi and labtop tuning so I would stay with efi. Carb will just cost more imo and more of a hassle. Assuming you are speed density and if you do have an aftermarket just switch to mass air and be done. First try turning down the idle on the throttle body then reset the tps to under 1 volt. Do a search and you'll find out how to. If not or also just check for vacuum leaks, that will cause a high idle. When I put in a cam when I was speed density it just ran really rich and barely idled, so reset your idle first.
  3. vristang

    vristang Advanced Member

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    1. Hook up the O2's
    2. Reset Base Idle - http://www.muscularmustangs.com/idlereset.php
    3. Clear the KAM and check for new codes

    Is the ECT sensor hooked up?

    You may get more help in the General Tech section...

    jason

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