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    Tuning SD for extensive mods.

    You should be fine,You are leaving about ten HP on the table w/o chip/disabling of EGR but that can be addressed too.And if you are a do it yourselfer and on a budget you can installa potentiometer on the map signal return and tune a speed density set up even heavily modded to an extent.
    That came from a local mustang builder. Anyone know more about this? Might benefit you SD guys so you can go with a bigger cam.
    http://secondhandracing.com/Home.aspx
    http://secondhandradio.com/

    R.I.P. Jason P Harrill 6-12-06

    http://www.grandmarq.net/vb/showthread.php?t=5634

    #2
    If you find out anything, let me know. I'm told my (stock) cam is going to be hard for the SD computer to handle.

    What do you think, Mercracer?
    2011 Mustang GT Premium, MT82, Kona/Saddle, HIDs, 3.73s, 19s, hood/side stripes, UPR 1.5" springs with adjustable panhard bar, and UMI solid LCAs and relocation brackets.
    1992 Explorer Eddie Bauer, slight lift, 34s, and A/C...
    1979 Bronco Custom, 351M/C6/NP205, 4" lift, 35s, lots of fender trimming.

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      #3
      wait, stock cams are hard for speed density to deal with? wha?
      86 Lincoln Town Car (Galactica).
      5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

      91 Lincoln Mark VII LSC grandpa spec white and cranberry

      1984 Lincoln Continental TurboDiesel - rolls coal

      Originally posted by phayzer5
      I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

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        #4
        Originally posted by Freshmeat
        If you find out anything, let me know. I'm told my (stock) cam is going to be hard for the SD computer to handle.
        What do you think, Mercracer?

        You are going to run a Lincoln SD computer with your Explorer motor, aren't you??

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          #5
          In other words this means that you can take use a continuous variable switch (ie dimmer switch) and use that to tune your signal form the sensor. Will work untill your signal is too weak, because the potentiometer will not step up the signal, only step it down.

          Comment


            #6
            I posted this a while ago;



            The TwEECer is the best option for SD tuning. TwEECer RT has a data logger so you can monitor 02 and similar functions.
            However only the Mustang DA1 ECM and mark 7 D9S ECM's are compatible with the TwEECer.
            The TwEECer is an adapter which connects to the J3 service port of an 87-95 Mustang EEC-IV PCM, giving you the ability to substitute parameters in the calibration data with parameters that match the modifications which you have made to your engine combo. So as you add performance to your car, you can easily match the EEC to your combo.


            I am not familiar with the potentiometer trick, but i have heard about it being done. Basically you need something like a TwEECer to monitor the MAP singals.
            2003 Town Car Signature - 3.27 RAR, Dual exhaust and J-mod - SOLD 9/2011
            89 Crown Victoria LX HPP -- SOLD 9/2010
            88 Grand Marquis LS - The Original -- Totaled 5/2006


            I rebuild AOD/AODE/4R70W/4R75E transmissions....Check out my Facebook page: https://www.facebook.com/pages/North...48414635312478

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              #7
              Originally posted by Freshmeat
              If you find out anything, let me know. I'm told my (stock) cam is going to be hard for the SD computer to handle.
              The ECM only has a problem when Manifold vaccum drops below 17 inches at idle, this is why cam duration and lobe seperation are critical.
              2003 Town Car Signature - 3.27 RAR, Dual exhaust and J-mod - SOLD 9/2011
              89 Crown Victoria LX HPP -- SOLD 9/2010
              88 Grand Marquis LS - The Original -- Totaled 5/2006


              I rebuild AOD/AODE/4R70W/4R75E transmissions....Check out my Facebook page: https://www.facebook.com/pages/North...48414635312478

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                #8
                I didn't have any problems with a stock cam and ported heads and a bunch of other work with SD. With an aftermarket cam and heads, I'm having some issues.

                That map thing is interesting. Might have to look at the signal and see how bad it is. My wagon just barely idles. Pretty tempermental.
                Builder/Owner of Badass Panther Wagons

                Busy maintaining a fleet of Fords

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                  #9
                  Originally posted by mrltd
                  I didn't have any problems with a stock cam and ported heads and a bunch of other work with SD. With an aftermarket cam and heads, I'm having some issues.

                  That map thing is interesting. Might have to look at the signal and see how bad it is. My wagon just barely idles. Pretty tempermental.
                  Like I said Mike, if the manifold vaccum is below 17 inches at idle the car will run like poo.
                  At less than 17 inches of vaccum, the ECM assumes the motor is under load and starts changing the fuel MAP (dumping fuel in the motor).
                  2003 Town Car Signature - 3.27 RAR, Dual exhaust and J-mod - SOLD 9/2011
                  89 Crown Victoria LX HPP -- SOLD 9/2010
                  88 Grand Marquis LS - The Original -- Totaled 5/2006


                  I rebuild AOD/AODE/4R70W/4R75E transmissions....Check out my Facebook page: https://www.facebook.com/pages/North...48414635312478

                  Comment


                    #10
                    I'm talking about the Explorer cam. I'm gonna run it either way and hope for the best. Worst case scenario, I'll bust my ass and figure out how to tune SD.
                    2011 Mustang GT Premium, MT82, Kona/Saddle, HIDs, 3.73s, 19s, hood/side stripes, UPR 1.5" springs with adjustable panhard bar, and UMI solid LCAs and relocation brackets.
                    1992 Explorer Eddie Bauer, slight lift, 34s, and A/C...
                    1979 Bronco Custom, 351M/C6/NP205, 4" lift, 35s, lots of fender trimming.

                    Comment


                      #11
                      Explorer cam is fine.........it's is basically the same duration as the Mustang/HO cam but has a tad less lift (.422" Vs. .444" )
                      2003 Town Car Signature - 3.27 RAR, Dual exhaust and J-mod - SOLD 9/2011
                      89 Crown Victoria LX HPP -- SOLD 9/2010
                      88 Grand Marquis LS - The Original -- Totaled 5/2006


                      I rebuild AOD/AODE/4R70W/4R75E transmissions....Check out my Facebook page: https://www.facebook.com/pages/North...48414635312478

                      Comment


                        #12
                        Yeah, gotta get a gauge and check out the vacuum. Also need to check the FP. The cam I got has a 114* lobe separation 212/218 @. 050 lift. 512/512. Shouldn't really cause too many problems. Though it does say compatible with OBD4 ( think they meant EEC-IV)
                        Builder/Owner of Badass Panther Wagons

                        Busy maintaining a fleet of Fords

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                          #13
                          is that the TFS stage one cam, Mike?

                          the specs sound familiar.
                          2003 Town Car Signature - 3.27 RAR, Dual exhaust and J-mod - SOLD 9/2011
                          89 Crown Victoria LX HPP -- SOLD 9/2010
                          88 Grand Marquis LS - The Original -- Totaled 5/2006


                          I rebuild AOD/AODE/4R70W/4R75E transmissions....Check out my Facebook page: https://www.facebook.com/pages/North...48414635312478

                          Comment


                            #14
                            Originally posted by 88grandmarq
                            is that the TFS stage one cam, Mike?

                            the specs sound familiar.
                            +The TFS stge 1 does not have that much lift on the exhaust side
                            http://secondhandracing.com/Home.aspx
                            http://secondhandradio.com/

                            R.I.P. Jason P Harrill 6-12-06

                            http://www.grandmarq.net/vb/showthread.php?t=5634

                            Comment


                              #15
                              Nope, Comp Cams XE264. Liked the specs better than the TFS.
                              Builder/Owner of Badass Panther Wagons

                              Busy maintaining a fleet of Fords

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