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    Thread: 8v of vindication -dyno-

    1. 09-15-2004 11:43 AM #1
      After 4 years of evolution and tuning/tweaking, my 8v is finally done. My goals have been a 13.99 in the quarter mile, or 150+ wheel hp. My quarter mile goal has been elusive, but yesterdays dyno session nailed it.

      159whp at 6900rpms
      135wtq at 5600 rpms
      I hope to have the dyno chart scanned in later today for all to enjoy. AFR was 12.7 for max tq instead of 13.0 for max hp, but after trying it both ways, the diff was so small I went with 12.7.
      Interestingly, retarding the cam timing absolutely killed the hp/tq. I was going for that one big hp # at the expense of tq, but it just wasn't there. Back to the "street/track" set up and those are results....
      So..... last time I dyno'd, I made 128whp, 138 wtq. The differences between then and now.......replaced the Brospeed header with a TT race header. Replaced CIS with MegaSquirt. Replaced the factory port matched intake mani/A2 tb with a set of Puma Racing ITBs. Oh, and the Schrick 280 was replaced with a DeltaCams 300+. Net results, anther 30 hp and a loss of 3 ft lbs. Not a bad trade off
      That said, this engine is DONE! Time for another project. Anyone interested in a set of of PumaRacing ITBs and a dcoe mani for an 8v? For sale soon at a Vortex location near you......






      Modified by Andrew Stauffer at 5:47 AM 9-17-2004
      Insert drivel here.....

    2. Member dohc's Avatar
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      09-15-2004 12:24 PM #2
      Sick!!
      Lets see some vids!! [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    3. Member Vwagen18t's Avatar
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      09-16-2004 06:55 AM #3
      congrats to you
      my 8v is in the 1st stages
      Volkswagen........

    4. 09-16-2004 10:53 AM #4
      Thanks guys. No vids, all the money is in the car , none left for things like cameras, haha...
      Insert drivel here.....

    5. 09-16-2004 11:01 AM #5
      Nice job. Good to see you finally made it. How does the car drive now with the itb's? Did you get the cam straight from Delta? You are running the car down the strip before it gets parted out correct? And my final question, what is the next motor project?
      Theo

    6. 09-16-2004 01:53 PM #6
      Theo,
      The car drives fine with ITBs. It takes a little more attention at low speeds, as there's ALOT of throttle area, but truly, it's fine. The cam I got through 2L Bunny, aka Tim Thoming, he was kind enough to lend it to me [IMG]http://*****************.com/smile/emthup.gif[/IMG] and it's greatly appreciated. I've spoken with Delta Cams about it and they're suprisingly affordable, folks should check them out. This cam rocks in this motor.
      I've run the car at the track prior to the dyno session(ie less tuned than it is now) and managed to go 14.3. I'm going to try again next week as I see I've been revving her out too much. She doesn't "fall off the cam" before 8k, or so it seems ,but the dyno chart tells the tale, peak whp at 6900. I can shift sooner and hopefully knock off a few tenths. I'm not the most skilled driver however. I need alot of work
      Launching this car is somewhat challenging as there's alot of heat going into those airhorns while sitting at the tree-it makes it inconsistant. Looking at my datalogs, the intake air temps drop very fast when moving, but sitting in the staging lanes, box and light isn't helping with consistancy.
      Next motor? This one. Minus the ITBs, replaced by one of Peter Tongs Rotorcharged LLC Autorotor twin screw supercharger kits. I'm going from high winding hp to low rpm GRUNT......gotta try it both ways and see where I like it the most........although I had a ride in a 13.00second twin screw supercharged rabbit this past weekend and I *suspect* I'm gonna LOVE IT.


      Modified by Andrew Stauffer at 10:55 AM 9-16-2004
      Insert drivel here.....

    7. Member dohc's Avatar
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      09-16-2004 03:57 PM #7
      Quote, originally posted by Andrew Stauffer »
      I've run the car at the track prior to the dyno session(ie less tuned than it is now) and managed to go 14.3. I'm going to try again next week as I see I've been revving her out too much. She doesn't "fall off the cam" before 8k, or so it seems ,but the dyno chart tells the tale, peak whp at 6900. I can shift sooner and hopefully knock off a few tenths. I'm not the most skilled driver however. I need alot of work
      Launching this car is somewhat challenging as there's alot of heat going into those airhorns while sitting at the tree-it makes it inconsistant. Looking at my datalogs, the intake air temps drop very fast when moving, but sitting in the staging lanes, box and light isn't helping with consistancy.
      Next motor? This one. Minus the ITBs, replaced by one of Peter Tongs Rotorcharged LLC Autorotor twin screw supercharger kits. I'm going from high winding hp to low rpm GRUNT......gotta try it both ways and see where I like it the most........although I had a ride in a 13.00second twin screw supercharged rabbit this past weekend and I *suspect* I'm gonna LOVE IT.

      It's a very general rule, and varies between motors, but none the less is a good rule to shot for, shifting 500rpm after peak power is about optimal. So in your case, ~7500rpm. I don't remember from the last post but I think you were going higher then that. OT, but how is the vibration up there?
      Also, think about this. What about building a plenum for the ITB's and then slapping on a Lysholm
      More torque, power and the ITB sound

    8. Member Bicycle019's Avatar
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      09-17-2004 01:03 AM #8
      Are you running a 3a or ABA block...I can't remember.
      I've been following your progress on here for a few years...congrats!
      DCI - Party time, excellent.

    9. 09-17-2004 08:37 AM #9
      How's the bicycle business these days Alex?
      This is a stock ABA bottom end. All the work is in the head/intake/fueling and exhaust. The 8v bottom ends are plenty stout and the ABA pistons are sexy little things, short skirts, they look pretty light(never weighed one).



      Modified by Andrew Stauffer at 5:40 AM 9-17-2004
      Insert drivel here.....

    10. Member dohc's Avatar
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      09-17-2004 10:37 AM #10
      How's the vibration with the stock bottom end at ~7500rpm?
      So there is no chance of ITB's and the charger?

    11. 09-17-2004 11:51 AM #11
      Things seem very smooth at 7500rpms, I think these things will rev to the moon, I've taken it to 8000rpm under power, and seen 8400 on an over enthusiastic burn out....
      The ITBs with the charger is out, simply due to the fact that I need to sell parts to pay for this charger kit. But...along those lines.....I'm considering building a plenum that will bolt to the DCOE mani, maintaining the ITB type of airflow.
      Insert drivel here.....

    12. 09-17-2004 12:31 PM #12
      Sounds like a great next option for your motor, Andrew. Peter Tong is a mad genius so it should be fun to do the screw compressor. He seems to have it pretty dialed-in. Are you going to go totally custom on your plenum/intake manifold? Are you keeping the same management set-up?
      I am close to obtaining my necessary "sponsorship" to do a crossflow ITB project. One of these days I'll have to put the eurospec head on the auction block. Until then I am just satisfied that I made my old 8V run 13's.
      Good to see you are still pushing the envelope... [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    13. 09-17-2004 08:09 PM #13
      congrats on dyno#'s,et will come with time

    14. 09-18-2004 09:40 PM #14
      What tranny are you using?

    15. Banned 91gl's Avatar
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      09-18-2004 11:59 PM #15
      congrats

    16. Member davela72's Avatar
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      09-19-2004 10:20 AM #16
      Damn bro, those are some NICE numbers! I'm glad you exceeded the 150whp goal, all good thing come in time! Keep up the good work on that beast!

    17. Member jfg69's Avatar
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      09-19-2004 09:14 PM #17
      How was your experience with the megasquirt? I was considering building one to use on a daily driver 91 Golf 8v.
      WTB: B5 fogs; clean rear bumper skin; votex lip; Neuspeed or H&R springs; 1.8T flex pipe

    18. 09-20-2004 09:19 AM #18
      Thanks guys. The box is the stock 83 Rabbit GTI 2H 020 with a Quaiffe/ARP bolt kit installed. It helps on those 4500 rpms launches.....
      Insert drivel here.....

    19. 09-20-2004 10:10 AM #19
      jeeze man you finally got that much......
      i think my callaway made that YEARS ago


      good to see your progress after so many years
      Cars: '03 Jetta TDI--'12 CC Lux Plus--'13 beetle
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    20. 09-20-2004 04:45 PM #20
      Jason,
      Haha, well, yeah, it's low boost turbohorse power, but it aint turbo torque, that's for sure. The torque #s aren't bad, considering the set up, but the next project is *all about* area under the curve!
      Insert drivel here.....

    21. Banned DST VR6's Avatar
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      09-20-2004 06:21 PM #21
      thats awesome andrew - nice to see the 8v still has a ton of potential.

    22. 09-20-2004 06:25 PM #22
      thats amazing, nice work!
      T3 Touareg Tdi, Mk4 R32, Mk2 Jetta Coupe 16vT

    23. 09-20-2004 11:25 PM #23
      Quote, originally posted by Andrew Stauffer »
      Jason,
      Haha, well, yeah, it's low boost turbohorse power, but it aint turbo torque, that's for sure. The torque #s aren't bad, considering the set up, but the next project is *all about* area under the curve!


      yeah those are awesome numbers i was just bustin your balls...
      Cars: '03 Jetta TDI--'12 CC Lux Plus--'13 beetle
      Bikes: '82 XV 920-- '00 KLR685--'12 Super Tenere-- '13 Versys 650

    24. 09-21-2004 11:54 AM #24
      Those are some great numbers! Congrats.

    25. 09-26-2004 01:57 PM #25
      good job i want to get to 230

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