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  • N54: Feeding the Addiction (Dyno Progress)

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    1. 01-13-2016, 09:54 PM #26
      andy_divers is offline Guest Vendor
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      We get another 26gal/hr with our lid and intank plumbing with twin 450 Click here to enlarge
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    2. 01-13-2016, 10:01 PM #27
      Terry@BMS is offline Supporting Vendor
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      Click here to enlarge Originally Posted by Tony@VargasTurboTech Click here to enlarge
      Confused. $1500? You can get Walbro 450's on amazon for around $100 each
      The custom fittings & hardware required to make it a clean and reliable dual pump setup with functional siphon, and labor, definitely add up. I've been pitching in on some fuel system R&D lately and the surge tank isn't going to do much. I will say as more people start to push closer to 800whp E85 now some new solutions for fueling those power levels are under development. Click here to enlarge
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    3. 01-13-2016, 10:15 PM #28
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      idratherbesurfing is offline Member
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      Click here to enlarge Originally Posted by The Ghost Click here to enlarge
      It does, but is close to the limit. Since this post, I've upgraded to full return/FPR and upgraded feed and return lines. I've dynod up to 730whp and run 3-4psi than that on the street and fuel pressure has held.

      Ill post the recent dynos and overlays shortly.

      I forgot to mention your engine bay looks mint!! Great job man
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    4. 01-14-2016, 12:16 AM #29
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      Here are some charts from the last time I was on the dyno. I detuned timing for these and spent time working on various Vanos changes, so peak power wasn't the goal.

      The 520whp is on WG spring on reduced timing (4-7 degree ramp)! I plotted it against maxed-out stock turbos; basically the best spooling setup versus the slowest ST setup (WG spring with no PWM work to aid spool).

      The last chart shows the improved spool, comparing spool of the 6466G2 vs. the 20T twins. Note spool is almost identical! Neither tune is maximized for spool.

      Click here to enlarge Originally Posted by idratherbesurfing Click here to enlarge
      I forgot to mention your engine bay looks mint!! Great job man
      That's buddy!
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      C6 Z06 - 600whp+ (Chuck MF'ing Norris)
      '10 335i - 830whp (Bruce Lee)
      '07 335i - 380whp (Dolph Lundgren)
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    5. 01-14-2016, 03:48 PM #30
      pobudz is offline Member
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      Click here to enlarge Originally Posted by Tony@VargasTurboTech Click here to enlarge
      ? haha seriously? Glance about 2 inches above your post
      lol Click here to enlarge speed reading FTL.
      IG @pobudz | '08 e92 335i - Closed Deck/Built N54, MOTIV 750 w/ PI MOTIV tuned using MHD/AEM, ADE 8" fmic, DSS axles, Corsa 3.5" catback, m3 suspension bits, m3 steering rack, Rogue toe arms, UUC trans mounts, RTD shifter. H&R sports on Konis, 17" F14s on Mickeys. Quaife 6MT 3.08 LSD, M3 subframe and diff bushings. CSF radiator. MOTIV Twin disk. Fuel-IT Stage 3+.
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    6. 01-24-2016, 11:18 PM #31
      JK210 is offline Member
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      Click here to enlarge Originally Posted by andy_divers Click here to enlarge
      We get another 26gal/hr with our lid and intank plumbing with twin 450 Click here to enlarge
      andy any more info on this i checked your website and haven't seen anything on it
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    7. 01-25-2016, 12:55 AM #32
      Tony@VargasTurboTech is offline Guest Vendor
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      Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
      The custom fittings & hardware required to make it a clean and reliable dual pump setup with functional siphon, and labor, definitely add up. I've been pitching in on some fuel system R&D lately and the surge tank isn't going to do much. I will say as more people start to push closer to 800whp E85 now some new solutions for fueling those power levels are under development. Click here to enlarge
      Saying a surge tank isn't going to do much for a fuel system, is honestly an empty statement. Of course its not going to do much, its simply to ensure you never uncover the pick up. Besides that its only use if a housing for the fuel pumps. Honestly until someone develops a true drop in twin or triple intank set up that can support upwards of 900WHP, a custom in tank set up like mine, (Very messy), or a nice surge tank tucked into the cubby in the trunk is the best option. The fuel system I put in the car is now ready to support well over 1000WHP on 100% E85 getting ready for that built motor. As far as cost, the surge tank, 3 pumps, all fittings, and hose cost me about $1100, and some elbow grease to install. That's a 1000+WHP fuel system for barely over $1K, not bad at all, and you do not have to touch your factory fuel system, except plumb the feed into the surge tank.
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