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  1. 4.6L Tech
    Hey everyone, I've been doing some research on here on a problem with my car. It's a '99 GT 5spd and for the past several months it's been knocking/rattling pretty bad under load usually above 2000-2500 rpm. Now that it is finally a little bit dry outside I'm planning on crawling around it to...
  2. 4.6L Talk
    Ok, I needs everyone's opinion... For my 04' Mach 1, I have installed a set of BBK LONG TUBE HEADERS, BBK O/R X-PIPES, SLP LOUD MOUTH II EXHAUST, JLT RAI, NGK IRIDIUM SPARK PLUGS. My next installation is: a set of 4.10 Gears After that is done what do you guys think I should do? I know I...
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