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    Thread: Progression: Corrado VRT

    1. Senior Member TBT-Syncro's Avatar
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      09-29-2012 01:15 PM #26
      Quote Originally Posted by crusinvw View Post
      Maybe I'm just hitting the limitations of c2 software?

      The head is also completely stock
      people have made almost 200 more hp on that software.

      it looks like there is a restriction, or timing issue on your car. power seems to be coming on late, and not as hard as it should.

    2. 09-29-2012 03:33 PM #27
      Quote Originally Posted by TBT-Syncro View Post
      people have made almost 200 more hp on that software.

      it looks like there is a restriction, or timing issue on your car. power seems to be coming on late, and not as hard as it should.
      I agree with this. Jake, what kind of vac do you see at idle? Wondering if your cam timing isn't slightly off... it's easy to do.

    3. 09-29-2012 04:25 PM #28
      17-20"

    4. Member sp_golf's Avatar
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      09-29-2012 08:06 PM #29
      Quote Originally Posted by Quintin@USRT View Post
      again all in the tune. my 8vT setup was identical to my friends and on my base tune my power would die at 6400 and his would die at 7300...
      So why compare parts when the engine is not tuned properly?
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      No Doubt.

    5. Forum Sponsor Quintin@USRT's Avatar
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      09-29-2012 10:22 PM #30
      Quote Originally Posted by sp_golf View Post
      So why compare parts when the engine is not tuned properly?
      because you're comparing parts. leave everything else the same. swap right there on the dyno and run again.

      Murat's is almost useless. you're comparing a SC61 w/ 268s at 21psi to a 6766 w/288s at 20psi. Two different turbos, two different boost levels.

    6. Member sp_golf's Avatar
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      09-30-2012 12:38 PM #31
      Quote Originally Posted by Quintin@USRT View Post
      because you're comparing parts. leave everything else the same. swap right there on the dyno and run again.

      Murat's is almost useless. you're comparing a SC61 w/ 268s at 21psi to a 6766 w/288s at 20psi. Two different turbos, two different boost levels.
      It's also useless to compare parts when the tune is not optimized for those parts. The fact that the 288s only made 350whp @ 14psi just shows me that the tune is very conservative. I don't doubt that it lost all that power on that tune, but if you were to dial it in on the 268s, then swap them out and dial in the tune on the 288s, the results would be a lot different.
      Either way, the 288s aren't meant for low-mid range RPM at low boost.
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    7. Forum Sponsor Quintin@USRT's Avatar
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      09-30-2012 10:47 PM #32
      Ok ^^that discussion isnt going to go anywhere but back and forth for days. It's done.


      Back to the OP:


      Cruisin,

      When's the last time you checked for leaks? Check boost piping, couplers, manifolds, turbine housing. For 14psi, on a T3 .82, on a VR, that's horribly late.

    8. Member sp_golf's Avatar
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      09-30-2012 11:31 PM #33
      Quote Originally Posted by Quintin@USRT View Post
      Ok ^^that discussion isnt going to go anywhere but back and forth for days. It's done.
      Yup.
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    9. Senior Member TBT-Syncro's Avatar
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      09-30-2012 11:50 PM #34
      Quote Originally Posted by Quintin@USRT View Post
      Cruisin,

      When's the last time you checked for leaks? Check boost piping, couplers, manifolds, turbine housing. For 14psi, on a T3 .82, on a VR, that's horribly late.
      for reference, with my GT35 .82ar T3, i'm making boost around 2500, with 'real' boost below 3500. (and i have big lumpy cams)

    10. 10-01-2012 09:31 AM #35
      I checked when I put it together about 3 months ago.

      Once I get back from h2o this is the first think I plan on doing.

      I did have a small hole post TB that made the A/F go to 17+. Once plugged, it sits at 14.5-15 all day at idle.

      I'm hoping its as simple as a vac leak, but I would assume the car would run worse.

      I'll report back in a few days.

      BTW, thank you guys for getting back on track.

    11. Member VRpoweredA2's Avatar
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      10-02-2012 09:55 AM #36
      Quote Originally Posted by Quintin@USRT View Post
      i told you the t3 is choking you. switch to t4 .82a/r
      This man speaks the truth

      I'm running a turbonetics T67 with a .81a/r and the PO put down 491 on 18lbs(IIRC) with the
      #42 setup.

      I've also got a .57 and a .96 hotside sitting in the garage for it.

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