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  1. 1

    87 XR4TI swap to 92 LX problems.

    I have an 87 XR4TI engine in a 92 LX Mustang. I didn't do the swap, it was done by the previous owner so I don't have a bunch of info on it. I am told that it has the wiring harness and computer from the Merkur in it. The car runs "fine" in that it doesn't miss and stumble and things like...
  2. 1

    87 XR4TI Turbo HP is down...why?

    I have an 92 Mustang LX that was an original 4 cylinder/ 5 speed car that has had the XR4TI engine swapped before we bought it. The car runs good as far as idle and no hesitations, misses, stumbles, etc. It is running 10lbs of boost (non-intercooled). It appears to have been a clean swap and...