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    4.6 2V Oil Requirements

    I just did the first oil change on my '04 GT, and I used 6 quarts of Mobil 1 10W-30. Seems like the oil pressure is a tiny bit higher than it was before, but I don't remember exactly where the needle was before the change. No problems though. Manual says to use 6.
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    MRT Cat-back - Anyone have one? Questions...

    I'm getting an aftermarket H-pipe soon, and I want something catted so I don't have to change it out every time to pass emmissions. I've seen mixed reviews on the MRT so my question is for anyone who has any experience with the MAC H-pipe with high flow cats. Anyone have any major complaints...
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    4.6L SOHC Intake Manifolds Suck

    Can somebody post a link to some aftermarket manifolds that aren't too expensive?
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    Installing tri ax shifter tonight

    I just got my new tri ax in the mail today and I'm about to go install the thing, but I just wanted to check and see if anybody has any advice on how NOT to break the center console piece that's gotta come out to do it. It's going in an '04 GT and I don't know if there's some trick to it besides...
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    Mac Prochamber vs. X-pipe?

    Thanks for the input, you've made a Prochamber customer out of me!
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    Mac Prochamber vs. X-pipe?

    I just bought an '04 GT and am getting ready to start with the usual mods, but I'm new to late model Stangs, and I was wondering if anyone could tell me the difference between an X-pipe and the MAC prochambers since they both seem to merge in the same fashion? Also, in addition to that if anyone...
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    surging question involving the a/ c

    I have the same problem on my '04 GT. When I turn on the AC it usually does it and then it does it periodically while the AC is on. I took it to the dealer and they told me that it was the clutch on the compressor engaging and disengaging so there wasn't always a load on the engine. Sounded like...