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mustang 1989 5.0

  1. 1989 mustang rebuilt 302 with new mods runs rough what should i do

    5.0L Tech
    i got a rebuilt 302 with several mods nothing serious like turbo or supercharger. basic run through what i have a edlebrock rpm performer intake larger headers short tube style h pipe with flowmasters f303 cam 351 windsor heads with lots of machine work under drive pulleys ac/smog delete 24lb...
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