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what spark plugs

  1. Help please my head is hurting

    5.0L Tech
    I am starting to lose it with this car. Its an 1989 gt auto that we have install the Trick Flow track heat kit to, along with a .030 over bore (pistons are trw 8kl2482f30), it also has bbk shortie headers and 2.5 flowmasters system (no cats), 36 lb injectors and calabrated maf, 70mm tb and a...
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