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    Thread: Fresh VRT dyno numbers

    1. Member _muppet_'s Avatar
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      06-01-2012 10:20 PM #1
      So I had some dissapointing numbers out of my setup last year at aptuning. Last sunday me and a few friends drove out to big three racing in the Cleveland OH area for a dyno day, and although I am still well inside the realm of chip tune numbers, I am happy to see a decent increase in power. I still have an issue, I am breaking up up top a bit, but I am 95% sure this is being caused by the driver for my coilpacks. I have had to solder it a couple times now, and need to move it away from the motor. I think I am going to get a new one and mount it to the body somewhere, as sds is very clear about not mounting it to the engine. The new numbers are on a mustang dyno, the lower aptuning numbers were on a dynojet. The only hardware that has been added between the dynos was a set of tt 288* cams. I think the car could still take quite a bit more timing, but I need to get this coil issue worked out first so I can get a good tach signal on the dyno. Everything so far has just been street tuning.

      I would like to say thanks to the guys at big three. They were really cool, they let me borrow a couple tools, and are obviously very passionate about their jobs.

      Sorry the video quality sucks for some reason.





      and the old dyno




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      06-02-2012 09:14 PM #2
      sounds good! how much boost and timing?

      1988 Jetta Carat Vr6 powered by www.LugTronic.com (99.9% done!!! )

    3. Member _muppet_'s Avatar
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      06-03-2012 12:53 AM #3
      Too much to still be at this power level. 25 psi roughly, and I taper down to 18* advance at around 19 psi, 17-19 psi I am at 19*, 13-17 I am around 20*. This is on 93 pump gas and meth, with my knock sensor on the highest sensitivity setting I don't see any knock at all at these levels.

    4. Member GinsterMan98's Avatar
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      06-03-2012 02:29 AM #4
      Where is the "like" button. Nice number and awesome car.
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    5. Member masterqaz's Avatar
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      New 04 pd100 Old setup 94 JTI Vrt 60-1 .58ar exh obd2 440 racefile 20psi/meth
      06-03-2012 01:03 PM #5
      stock intake? what injectors and tune?
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    6. Senior Member Capt.Dreadz's Avatar
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      06-03-2012 01:21 PM #6
      specs please.
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    7. Member _muppet_'s Avatar
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      06-03-2012 01:52 PM #7
      2.9L 12v vr6 82mm JE pistons, integrated rods
      trac racing stage 3 p&p head
      tt 288* cams
      gt4088r .95 hot side
      c2 quick flow short runner
      3" turbo back exhaust
      sds em3 6f
      750cc injectors
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    8. Senior Member Capt.Dreadz's Avatar
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      06-03-2012 02:53 PM #8
      Wow...something is definitely wrong.
      I always thought the 288's were overkill for a VRT.
      Chosen Life Clothing. Streetwear for the car culture. Launch Party coming very soon!!
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    9. Member
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      06-03-2012 03:37 PM #9
      288s works but it needs alot of boost

      Whats the duty cycle of the 750cc?
      1988 Jetta Carat Vr6 powered by www.LugTronic.com (99.9% done!!! )

    10. Senior Member TBT-Syncro's Avatar
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      06-03-2012 04:46 PM #10
      Quote Originally Posted by Capt.Dreadz View Post
      Wow...something is definitely wrong.
      agreed.

    11. Member _muppet_'s Avatar
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      06-03-2012 10:00 PM #11
      You can visibly see the misfires on the aptuning sheet, I think there is still a bit of that going on, as my tach is a little jumpy up top. It definitely seems ignition related. I am looking into another complete used sds setup that I could steal the coil driver from, and I might swap the hall sender as well just for fun. Then I would have some spare parts, and could put a race gas map or maybe an e85 map in the other ecu. Duty cycle according to the sds controller is in the ballpark of 70% at peak boost, I don't think that is an issue.

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