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5.4 dohc lt headers

  1. Modular V8 and V10 Conversions and Swaps
    Alrighty the never ending hunt to find longtube headers to fit in a 99 mustang gt with a 5.4 dohc engine..... I read a dirtly little rumor that there is possibly a long tube header to fit the 5.4 SOHC in these cars. If this is true then why would it be so hard to make this work on a DOHC...
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