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Z5 Turbo = 25PSI = 248WHP

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  • #16
    bigger engine means nothing. hp is made by air flow. a v8 making 300hp with use the same amount of air as a 4cyl making 300hp. both engines would also use the same amount of fuel if both were tuned to the same afr's. the only reason v8's/v6's use smaller injectors than 4cyl's is that they have more of them. using my example of 300hp v8 vs 300hp 4cyl the 4 cyl will make 75hp per cyl and the v8 will only make 37.5hp per cyl. so the v8 can get away with half the injector size because each cylinder is doin half the work.

    edited

    what kind of fuel are you running?
    Last edited by fastivaB6TG25MR; 07-11-2011, 10:29 AM.
    I know its a piece of crap but im still faster...and its 100% legal!!!!!

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    • #17
      Originally posted by fastivaB6TG25MR View Post
      bigger engine means nothing. hp is made by air flow. a v8 making 300hp with use the same amount of air as a 4cyl making 300hp. both engines would also use the same amount of fuel if both were tuned to the same afr's. the only reason v8's/v6's use smaller injectors than 4cyl's is that they have more of them. using my example of 300hp v8 vs 300hp 4cyl the 4 cyl will make 75hp per cyl and the v8 will only make 37.5hp per cyl. so the v8 can get away with half the injector size because each cylinder is doin half the work.

      edited
      Hmmm....why does B6T engines come from the factory with I think 310cc Injectors, The BPT...got 360cc Injectors and the BPD engine got 410cc injectors.

      Oh...you have a B6T...in my case a Z5....well If I dont lean out...I dont know...im using innovate wideband....it does not register any lean out....the wideband also from the Dynoshop also does not register a lean out.....and If I really do get leaner AFR's then my engine will surely get blown. My boost gauge registers 25PSI....the dynoshop registers 27+PSI.
      1st hybrid & running FE3 + GT3076R Turbo
      ...Carbon Kevlar Hood and Roof

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      • #18
        Fuel is 100 octane pump gas...
        1st hybrid & running FE3 + GT3076R Turbo
        ...Carbon Kevlar Hood and Roof

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        • #19
          Originally posted by KIADOHC View Post
          Hmmm....why does B6T engines come from the factory with I think 310cc Injectors, The BPT...got 360cc Injectors and the BPD engine got 410cc injectors.
          because the all produce different amount of power
          I know its a piece of crap but im still faster...and its 100% legal!!!!!

          Comment


          • #20
            Originally posted by fastivaB6TG25MR View Post
            because the all produce different amount of power
            Whats the wheel horsepower on your B6T?
            1st hybrid & running FE3 + GT3076R Turbo
            ...Carbon Kevlar Hood and Roof

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            • #21
              Just want to share this picture....I forgot to include the B6T piston-connecting rod

              1st hybrid & running FE3 + GT3076R Turbo
              ...Carbon Kevlar Hood and Roof

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              • #22
                im on a bp+t now. i have not had a chance to dyno it yet with ms installed. but my 1/4 mile times have not improved that much since i swapped from the rocket chip ecu to ms1v3.0. it made 225hp 209tq to the wheels

                I know its a piece of crap but im still faster...and its 100% legal!!!!!

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                • #23
                  With the T3T4.....max boost I can get only at 1st gear is 13PSI.........but after flat shifting to 2nd, 3rd and 4th gear....I get 25PSI....too much lag....but anyway its just used for drag racing.
                  1st hybrid & running FE3 + GT3076R Turbo
                  ...Carbon Kevlar Hood and Roof

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                  • #24
                    Nice #s, how about shipping some of those carbon roofs over here
                    My bpt made 220 whp and 233 wtq on 14 lbs.
                    -Greg
                    Euro-bprt...WORLDS FASTEST FESTIVA !!! 11.78@115.9
                    BP, G trans, Megasquirt/ 550cc inj. t3/t3 (tbird) Garrett, REAR TURBO!!!! AND AC!!!!
                    Redneck Engineer
                    FOTY - '09
                    5x Festiva Madness Attendee...FM 3,4,5,6,8
                    http://www.youtube.com/watch?v=LpCZ7...9Pwqw-oe8s2OYQ
                    http://www.youtube.com/watch?v=vU_eX...9Pwqw-oe8s2OYQ

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                    • #25
                      Originally posted by eurotiva View Post
                      Nice #s, how about shipping some of those carbon roofs over here
                      My bpt made 220 whp and 233 wtq on 14 lbs.
                      Thanks....Nice numbers too. Im sure it will be more powerful than my Z5 turbo engine under 25PSI of boost...

                      I only have the mould for the 2-door Festiva roof...after making one product for my car. I think it will cost a lot to ship it there. By the way my Festiva's original steel roof was gutted and placed just carbon kevlar on top of it....decided to just use carbon kevlar since my JDM Festiva was originally equipped with an opening roof....I dont know what is it called....but its not a sunroof....its like a motorized plastic folding cover on top.
                      1st hybrid & running FE3 + GT3076R Turbo
                      ...Carbon Kevlar Hood and Roof

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                      • #26
                        Heres the youtube video link now...

                        My Mazda Z5 DOHC... Custom Turbocharged....Dyno...248WHP. Small ports Z5 cylinder head...stock internalsBest time..13.1 seconds 1/4 mile drag racing
                        1st hybrid & running FE3 + GT3076R Turbo
                        ...Carbon Kevlar Hood and Roof

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                        • #27
                          Thanks for the comments.....
                          1st hybrid & running FE3 + GT3076R Turbo
                          ...Carbon Kevlar Hood and Roof

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                          • #28
                            Originally posted by KIADOHC View Post
                            JDM Festiva was originally equipped with an opening roof....I dont know what is it called....but its not a sunroof....its like a motorized plastic folding cover on top.
                            Funtop. They still make them.
                            In love with a MadScientist!:thumbright:
                            There's a fine line between breathtaking ingenuity and "That's the stupidest thing I've ever seen!"

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                            • #29
                              Congrats KIADOHC, Im running a z5 bottom end with a miata Head

                              I dont know what head your talking about but the miata head/ protege z5 head are completley different ...? I have pics on my thread showing the differences? Which year of protege z5 is it?

                              Also what trans are you using? how has it held up to the flat shifting?

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                              • #30
                                KIADOHC needs to take a vacation to California.
                                1993 GL 5 speed

                                It's a MazdaFordnKia thing, and you will understand!

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