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  • URS6 k24-7400 E85

    Hey all!
    Wanted to share some great power numbers for the K24-7400 Volvo turbo on E85.

    My setup is:
    -Volvo K24-7400 with bigger billet hybrid wheel and machined k24-7000 hotside
    -870CC injectors
    -7A cams
    -IE H-Beam rods
    -Calico coated bearings rod/main
    -Arp head studs
    -Walbro 450, EFI relayed
    -Apikol FMIC
    -Wagner RS2 evo exhaust manifold
    -034 phenolic intake spacer
    -VEMS, speed density. Marc Swanson custom tuning.
    -034 catch can kit
    and more.

    I see around 25-28psi at 3400 rpm, full boost of 35psi at 4000 rpm all the way to redline. Really happy with it for now. Just enough power for me and I wont get bored of going between 91 & E85 as I have a flex fuel sensor and I believe Marc S. tuned it so it is flexfuel capable (adding 91 to E85 gives less power, adding E85 to 91 gives more power).

    Made 466whp/403wtq on mustang dyno. Trying to get to 500whp club with some intake manifold porting, ported throttle body, and head work!
    Enjoy!

    91 octane dyno soon to come.


  • #2
    Vids
    Last edited by Nickl23; 5th March 2019, 00:09.

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    • #3
       

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      • #4
         

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        • #5
          The dyno run of the car I cant see any straps holding the car or am I just needing glasses . Great result with the car I bet your chuffed

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          • #6
            Originally posted by LSG View Post
            The dyno run of the car I cant see any straps holding the car or am I just needing glasses . Great result with the car I bet your chuffed
            I think you need glasses.

            Hmm, isn't ~550 crank hp quite much for this K24 7400 turbo?
            Last edited by Thuppu; 7th February 2019, 10:16.

            Audi UrS4 Avant 2.5 20vt - twincharged - Project
            Audi 80q B4 Sedan 2.2 20vt - Daily user
            BMW 320d Touring e91 M-Sport - Daily user
            BMW 740iA e38 - Project

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            • #7


              Congrats,....... that's way more than anyone said was possible with the Volvo 7400. Thanks for proving how good this turbo is.

              Looking forward to the 91 Ron numbers and wondering what a similar set up would be like on UK 99 Ron?
              96 URS6 plus speck saloon
              96 URS6 plus speck estate
              94 2.6 80 Avant
              99 2.8 final edition Cabriolet

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              • #8
                What size impellers? Compressor and turbine?
                1990 2.2 20VT Audi Coupe Quattro
                *Hx35/k26, MaxxECU, Wagner EM/IC *RS2 Recaro *4pot-Brembo *3" turboback *Treser *Koni/H&R
                1990 Audi 200 20v Avant 2.2 20VT *7 Seater *Full electric gizmos

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                • #9
                  nice results. and that with the 6 hotside?

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                  • #10
                    Originally posted by Thuppu View Post

                    I think you need glasses.

                    Hmm, isn't ~550 crank hp quite much for this K24 7400 turbo?
                    thats what i was thinking but some posted on (FB i think) that has modified cold side
                    sigpic

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                    • #11
                      Yes I think I do too. It was early when I looked at it Specsavers here I come.

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                      • #12
                        Sorry, I'm always a little bit sceptic about US WHP as they tend to be about the same numbers as scandinavian Crank HP. Maybe guys in US just can tune the engines better, or the dyno's are way more optimistic..?

                        Audi UrS4 Avant 2.5 20vt - twincharged - Project
                        Audi 80q B4 Sedan 2.2 20vt - Daily user
                        BMW 320d Touring e91 M-Sport - Daily user
                        BMW 740iA e38 - Project

                        Comment


                        • #13
                          Read the original post again

                          [QUOTE=Nickl23;2052114]Hey all!
                          Wanted to share some great power numbers for the K24-7400 Volvo turbo on E85.

                          My setup is:
                          -Volvo K24-7400 with bigger billet hybrid wheel and machined k24-7000 hotside
                          -870CC injectors
                          -7A cams
                          -IE H-Beam rodsQUOTE]

                          Last edited by newsh; 8th February 2019, 08:14.

                          S2 Coupe 3B Project


                          Ur quattro restoration

                          S2 Avant

                          Boost is the new rock and roll!
                          sigpic

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                          • #14
                            I'm not trying to be a party pooper here, but as EFI express mention on their FB site, their upgraded K24-7400 is good for about 320whp with pump gas. That would be a quite nice gain to 466whp with e85. Maybe it's possible, I have no experience with this turbo, but it has a quite small turbine, so I doupt it would reach to that level..? 466 crank hp would sound a lot more realistic, and also that dyno plot says engine power and torque.

                            Audi UrS4 Avant 2.5 20vt - twincharged - Project
                            Audi 80q B4 Sedan 2.2 20vt - Daily user
                            BMW 320d Touring e91 M-Sport - Daily user
                            BMW 740iA e38 - Project

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                            • #15
                              Speaking with Marc in the phone he said the normal stock 7400 is good to 320whp, the drop in billet wheel is a little more up high, their larger hybrid billet wheel with compressor mods should make around 350whp. Running e85 will give better results.

                              I'm running a k24 7400 with drop in billet wheel and an efi ECU in my S4. Cant comment on the performance yet ad I've literally just finished my build and the detail on the car...then had ACL surgery so I've not driven the car.

                              I'm in for any and all updates to this thread and can post up results from my build as well when I'm able to drive.

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