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FAQ: 2.5 "First" / "Common" mods

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  • FAQ: 2.5 "First" / "Common" mods

    Below are the most commonly suggested "first" performance mods done to the 2.5 Duratec, and to reduce the number of "I just got my SVT, what should I do first" posts.

    =Remove hoodliner=
    This will reduce overall engine bay temps.

    =Optimize TB=
    Virtually free for a dyno proven 1-2 hp gain.

    =Intake=
    K&N RU-3530 is the most recommended w/ a MAF adaptor.

    =Heatshield=
    Create a heatshield to isolate your open intake from engine bay heat (heatsoak).

    =Maintenance=
    - Cleaning filthy TB, UIM and LIM will do wonders.
    - Replacing old spark plugs & wires, properly gapped plugs
    See Duratec HOWTO Forum

    =Remove stock resonator=
    For 1-3hp gain and better sound, remove the stock resonator and replace with a straight through design. Magnaflow 4" round is most recommended.

    =Y-pipe=
    - Aftermarket, aluminum or stainless
    - Optimize the stock y-pipe for better flow. CEGers think this is a DIY mod - it's not (in most cases). You will have to take the y-pipe to someone who can perform the optimization.

    =Exhaust=
    Cat-back brands available are limited. Most affordable and recommended currently is the Tru-Bendz.

    =Short throw shifter=
    B&M or Steeda

    =Gutting pre-cats=
    CEGers have gut the pre-cats ("headers"), especially when they have become clogged.

    =Headers=
    MSDS or Weapon-R

    =Chip=
    Recommended as the last mod as to avoid reburn. Nautilus Performance is highly recommended, with Brenspeed being another good option.

    =Tunes=
    an alternative to a "chip", in which the performance changes are loaded on to the STOCK PCM computer itself. benefits are an easier time changing the tune if you change your modifications. The most COMMON tuning solution is to purchase an XCAL2 and get a tune emailed to you, to load on your own. Contact Nautilus Performance for both an XCAL2 and/or a tune.

    =For non-SVTs=
    SVT TB, SVT UIM, SVT LIM, SVT exhaust

    =Other mods=
    Suspension, brakes, forced induction, 3 liter, etc. can be found in the respective forums.


    This is a a work in progress - suggestions are welcome to improve this compilation.
    Last edited by Ray; 06-03-2008, 11:22 AM.
    2005 GTO IBM - 341hp/341tq
    - Volant intake, JBA catless midpipes, H-pipe, GMM ripshifter, BMR skidplate, HIDs, SAP bumper & grilles, CV8-R taillights

    Local CEGers: If you need detailing PM me

  • #2
    I thought I'd add in links to help out people that may not be able to find this stuff.

    Optimize Throttle Body

    Clean intake manifolds without removal

    Complete IM rebuild

    Spark plug replacement

    Installing SVT Exhaust on non-SVT

    Optimize Y-pipe

    All of these can be found here.

    Comment


    • #3
      I think we might want to update who the most recommended company is for chips/flashes. ADC is on the out with their customer service. Nautilus Performance all the way. Brenspeed is good as well.
      Jim Hahn
      1999 Tropic Green SVT Contour
      1996 T-Red Contour SE Reborn 4/6/04 Sold
      3.0L swap and Arizona Dyno Chip Turbo Kit
      364 whp, 410 wtq @ 4,700 rpm

      Comment


      • #4
        Originally posted by beyondloadedSE View Post
        I think we might want to update who the most recommended company is for chips/flashes. ADC is on the out with their customer service. Nautilus Performance all the way. Brenspeed is good as well.
        done.. thanks
        .99 Silverfrost
        Call me for free, if you need any help or anything.
        |_|0|_|
        |_|_|0|
        |0|0|0|

        Comment


        • #5
          Originally posted by beyondloadedSE View Post
          I think we might want to update who the most recommended company is for chips/flashes. ADC is on the out with their customer service. Nautilus Performance all the way. Brenspeed is good as well.
          While Brent is a good guy to deal with, I don't think he's a good tuner for our platform. My first tune from his had timing much less than my OEM tune. I asked him for more timing, which he did for free (after a month of so), and it's still much less than OEM. My WOT a/f is hosed up. He also doesn't know how to move the IMRC points. My low/high speed fans were also swapped.

          I'm not knocking him personally... I just wouldn't recommend him for our platform.
          morbid
          2011 Edge SEL AWD (black) - daily driver
          2000 Contour SVT (black); #61 (Sept 17, 1999)
          3L with ADC turbo kit; 325hp / 338tq @ 7psi
          car is down with a broken tranny

          Comment


          • #6
            Sounds like its a hit or miss then. I know Mark had great luck with him. He picked up 10 whp on his 3.0L. He gave him 3 different tunes with each having more aggressive timing than the previous. Sorry about your luck. I do agree though. Tom knows this car better than anyone when it comes to tuning. I would go with him.
            Jim Hahn
            1999 Tropic Green SVT Contour
            1996 T-Red Contour SE Reborn 4/6/04 Sold
            3.0L swap and Arizona Dyno Chip Turbo Kit
            364 whp, 410 wtq @ 4,700 rpm

            Comment


            • #7
              Should we add the new Nautilus True CAI to the recommended list?
              Something Green
              2009 Pontiac G8 GT
              2000 SVT #0801 (sold)
              2000 3L SVT #2094 (sold)

              Comment


              • #8
                Originally posted by TX00SVT View Post
                Should we add the new Nautilus True CAI to the recommended list?
                Seeing as I have one on the way, I'd say yes. But, I'm still waiting to see install feedback and dyno/IAT results, which I'm hoping are good.
                -J
                '99 SVT Silver
                Clean DD
                '91 LX Bimini Blue
                427"/88mm @ 16psi....yeah 4 digit power

                Comment


                • #9
                  Originally posted by TX00SVT View Post
                  Should we add the new Nautilus True CAI to the recommended list?
                  Originally posted by biminiLX View Post
                  Seeing as I have one on the way, I'd say yes. But, I'm still waiting to see install feedback and dyno/IAT results, which I'm hoping are good.
                  -J

                  I will add it when I have some time.
                  - 12 Focus SE
                  - 99 Contour SeVT <- 3L/NPG Turbo
                  - 2k Contour SVT - #2137

                  Comment


                  • #10
                    just a sugestion but my a/c arleady didn't work so bought the belt for v6 w/o ac and notice a reasonable diffrence
                    Last edited by ohiocsvt; 04-02-2008, 01:15 AM. Reason: i'm an idiot
                    '98 silfrst svt s/c 3l comming soon
                    '96 teal se atx (wifes) getting my motor soon
                    http://www.cardomain.com/ride/3060801
                    http://www.youtube.com/user/boredindayton

                    Comment


                    • #11
                      all the links in the second post are broken = bummer.
                      -Logan
                      2000 SVT, Black and Tan.

                      Comment


                      • #12
                        Originally posted by Lost Arrow View Post
                        all the links in the second post are broken = bummer.
                        Yeah, its a pita. All the good, useful links are broken.
                        2001 SVT Lightning #2839 - Stock

                        2000 SVT Contour #1541 - | BAT | FSVT EAP | Hankook K110 | Y-pipe | RSTB | Energy Suspension |

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