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Prado Power-up ECU remap and exhaust

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  • Prado Power-up ECU remap and exhaust

    Hi all,

    Long time stalker of this site but thought I would try and add something positive.

    Since purchasing my Prado (2012 model GXL) in early 2015 I have been interested in researching power increase opportunities. There has been a lot of information posted on the site regarding exhaust power increases and chips like Steinbauer etc but having previously had a chip on a Pathfinder I was keen to try and avoid this path. A mate of mine with a Triton ute suggested I look at a ECU re-map through Bayside Performance Services. When I initially contacted BPS in mid 2015 I was disappointed to learn that they could not do Toyota. Fast forward to late 2015 and keeping tabs on the BPS Facebook page revealed they had cracked the Toyota ECU and were now doing ECU remaps for Toyota Prado's, Hilux's etc.

    Now I am a bit of a stickler for detail and I had read a number of posts offering advice on power gains achieved from exhaust pipes etc. While I was thankful for all the information there was a lot of ambiguity. To be fair I mean no disrespect but I was hard pressed thinking I would fork out my hard earned without having some more detail. I contacted John from BPS and spoke to him about a stock Prado they had done and what kind of results I could expect to achieve. We also discussed the pros/cons of an exhaust increase. John's advice around the Prado was that the stock exhaust was more than suitable and that increasing to a 3" pipe would really provide no substantial gain to his tuning.

    Of course I was not convinced and in order to supply as accurate information to PP users as possible, I came to an agreement with John that we would do three dyno reports. One stock, one with exhaust and one with exhaust and tune all done within the same period. Please keep in mind that I am running Mickey Thompson 265/70-17 atz's. For the benefit of all I have also included the stock tune that BPS did for another of their clients who I understand was running standard tyres.

    For clarity John didn't max out the motor as I tow a boat and trailer regularly and I wanted some margin for that purpose. You could push this harder if you really wanted to..

    The pipe I chose to go with was a Scott's Rods 3" aluminised exhaust. They came well recomended and provided a good product at a reasonable price.

    So down to the tin tacks.. Three dyno runs with three different configurations all on the same dyno report. I have included the three versions I was provided to paint as clear a picture as possible.

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    As you can see the exhaust added little to know gain whatsoever. To be fair John did tell me from the outset but of course I wasn't convinced and wanted to be 100% sure. Whilst there is always conjecture amongst these things I would personally not have gone down this route had I known the result. I would have saved the $900 odd dollars and put it into some other modifications. Anyway for the benefit of the rest of the PP community please use this information as you see fit.

    Further to the above I have included below the original Prado re-map (for his other client) that John did before I took my car in. This was done with a completely stock Prado.
    Click image for larger version

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    It is now that I want to make it really clear with everyone that I am not even slightly mechanical so please do not shoot me any hard questions. I have waited to do this post as I took the family over to Moreton Island with our camper trailer on the weekend and I wanted to see how the Prado performed. Needless to say it went extremely well. My overall conclusion to the remap is that without doubt it is the best money I have ever spent on the vehicle. If anyone has any further questions or interest then I would direct you to John from BPS to discuss. I am in no way affiliated with BPS however, from the outset, John was aware that I would likely publish the results as detailed information on exhaust and tuning outcomes was hard to find for the Prado.

    I hope this provides some of the PP community with some tangible evidence with regards to performance enhancements. Happy to field any questions.

    Cheers

    Howso

  • #2
    Can you post a bigger version of the charts?

    Comment


    • #3
      Yeh its hard to read the first 3 charts. Great info though and well thought out.
      2018 150 Series Crystal Pearl Prado VX 2.8l. 2 inch King springs and Bilstein shocks, Airtek TJM snorkel.

      Comment


      • #4
        The first three charts look the same just with different data overlaid but all contain the same power and torque curve.

        Basically you have gained around 30% nominal power and torque increase across the power band.

        Got to be happy with that.


        Sent from my iPhone 6s Plus
        [CENTER][B]-=2014 GXL D4D Auto Graphite, Firestone Airbags, ARB/Optima D34 Dual Battery, ARB UVP, TJM Airtech Snorkel[/B][B]=-[/B]
        [/CENTER]

        Comment


        • #5
          Hi guys.. Sorry I'm having difficulty uploading the individual files. They are currently 2mb but being shrunk to 15kb. ??

          Yes they are the same curve but contain other data. I'll try again.

          Comment


          • #6
            Ok trying again now with photo of the same print outs..

            Essentialy 30% power increase with 34% torque increase.

            Apologies again for the photo's but I was only provided print outs.

            Cheers

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            • #7
              Easy to read now. Very nice.


              Sent from my iPhone 6s Plus
              [CENTER][B]-=2014 GXL D4D Auto Graphite, Firestone Airbags, ARB/Optima D34 Dual Battery, ARB UVP, TJM Airtech Snorkel[/B][B]=-[/B]
              [/CENTER]

              Comment


              • #8
                Thanks heaps for posting this info Howso. Really usefull

                Cheers
                White 2012 GXL 150 TD Auto. Work in progress. Aiming to spend less than when I kitted out the 120!

                Comment


                • #9
                  How much did it end up costing you to have this done mate? I know you said you're not sure about much, but did they mention raising the fuel pressure at all? All good if you're not sure. It sounds like an interesting thing though, just to get it past the missus now....
                  [LEFT]Silver 150 Facelift
                  TJM Bullbar, Lightforce Genisis Spots, Dual Battery System with bits from everyone, Powerful 4x4 slider/steps, Kaymar rear bar, "Genuine" Roof Racks, MSA Seatcovers, Dashmat, Tint, LED Interior Globes, Bridgestone D697s [/LEFT]

                  Comment


                  • #10
                    Hi AussieAndy. Cost of the Ecu remap was less than what I had priced steinbauer chip and install. To be fair id direct any cost related questions to Bayside Performance Services as I did three Dyno runs and had them install the exhaust.

                    Comment


                    • #11
                      Yeah, fair call. I've been looking a bit lately into getting a bit of a tune on the work ute, just waiting on bailey's to make the euro4 injectors available (150 Prado & 2011 on Hilux).
                      [LEFT]Silver 150 Facelift
                      TJM Bullbar, Lightforce Genisis Spots, Dual Battery System with bits from everyone, Powerful 4x4 slider/steps, Kaymar rear bar, "Genuine" Roof Racks, MSA Seatcovers, Dashmat, Tint, LED Interior Globes, Bridgestone D697s [/LEFT]

                      Comment


                      • #12
                        Guys I know how important cost is so I emailed James overnight and he provided the following response for anyone interested.

                        "We do the whole custom tune job for $1395 with before and after dyno sheets, also have upgraded turbo units ex stock now"

                        With regards to the turbo comment James mentioned to me that the stock turbo on the Prado is reasonably small and largely the most restrictive component on achieving greater power. You will see in the charts that boost was increased marginally by 2.7 psi as to not stress the stock turbo.

                        Howso

                        Comment


                        • #13
                          Hey Howso

                          did yo udo the tune before the exhaust or only after?

                          would be interesting to see what it would do on a std exhaust
                          or even one that has had a muffler change

                          James
                          2008 Dune D4D manual GXL update - with lots of fruit !! + Roma Razorback Off Road Van

                          Comment


                          • #14
                            Hey Razor. Not on my vehicle but the fourth attachment is of a stock as a rock Prado that Bayside did. That should assist you.

                            On another note I was re-reading James email to me when the tune was done and he was waiting for me to pick it up. His comment was big wheels kill Dyno numbers and even though I got great gains in power the "felt" increase from idle was closer to 65%. I believe the Dyno doesn't record off idle or something..

                            Howso

                            Comment


                            • #15
                              Is it just me or are we getting more of these "new members" aka "advertisers"?

                              Comment

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