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    Thread: How to build a relatively inexpensive, reliable, powerful Vr6.

    1. Geriatric Member need_a_VR6's Avatar
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      15 Jetta 92 Corrado VR6
      01-17-2012 08:56 PM #401
      Keeping up with what exactly?
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
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    2. Member GTIVRon's Avatar
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      01-18-2012 08:30 AM #402
      Probably the 12 sec cars. Ha ha!
      2002.5 Jetta 1.8T - TOTALED (dodging deer)
      2002.5 24v GTI - TOTALED (rear-ended by a Jeep)
      1992 Corrado SLC - Daily Driver Status
      2012 Golf R - Weekend/Need A/C Status

    3. Moderator root beer's Avatar
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      01-18-2012 12:49 PM #403
      Know how to get extra exhaust performance?

      Buy my aluminum 3" system for $400. Less than 5k miles, bolts up to a stock dp on a mk3 gti. I need to pay a credit card off. Sick of the brokeness.

    4. Member V-dubbulyuh's Avatar
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      01-18-2012 02:00 PM #404
      Quote Originally Posted by root beer View Post
      Sick of the brokeness.
      That's what happens when you want to go fast.
      "OP sounds like a MKIV guy"

    5. Geriatric Member need_a_VR6's Avatar
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      15 Jetta 92 Corrado VR6
      01-18-2012 02:54 PM #405
      I went 12s pretty cheap. Could have been cheaper if I had more weight out.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      MK3 Race Car Partout

    6. 01-18-2012 03:11 PM #406
      Should have gone on the timmy diet.

      Immediate 60 lb weight drop
      07 TL-S 6MT & a CAAD10

    7. Geriatric Member need_a_VR6's Avatar
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      15 Jetta 92 Corrado VR6
      01-18-2012 06:29 PM #407
      Probably more like 100lbs.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
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    8. Member GTIVRon's Avatar
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      01-18-2012 06:39 PM #408
      Explain this please.
      2002.5 Jetta 1.8T - TOTALED (dodging deer)
      2002.5 24v GTI - TOTALED (rear-ended by a Jeep)
      1992 Corrado SLC - Daily Driver Status
      2012 Golf R - Weekend/Need A/C Status

    9. Geriatric Member need_a_VR6's Avatar
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      01-18-2012 11:21 PM #409
      I am fat and Tim is skinny for a bean pole.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      MK3 Race Car Partout

    10. Member
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      Current: 95 1.8 2 door Golf CL. Past: 94 4 door vr6 golf.
      01-19-2012 07:25 AM #410
      I have a vr6 apart which im freshening up and building up abit before swapping it in to my new car, am going to do some light work on the head my self (just smoothing things out, not making things bigger etc) and also plan to get a 3 angle valve job for it. Am wondering if a set of standard size Ferrea intake and exhaust valves would be worth the $300 or so they would cost? Or would I be better of cleaning up my old stock ones?

      Also any more specific tips on diy head porting? I have a rough idea about head porting and have ported out lots of other things, but really cant find much usefull vr6 specific information anywhere. I plan on running a cai, ported throttle body, ported 2.9 clone and ported lower intake main, the head work I mentioned before, mk4 HG, a ported standard exhaust mani and downpipe, 2.5in exhaust, 1.8t IAT, neuspeed lightened and underdriven pulleys, lightened fly wheel, probably 268s and a giac tune.

    11. Member wolfyy98's Avatar
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      01-19-2012 07:39 AM #411
      depending if you are obd1 or obd2 you may want to skip porting the throttle body. Obd2 cars tend to have some idle issues if they are ported heavily.

    12. Member
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      Current: 95 1.8 2 door Golf CL. Past: 94 4 door vr6 golf.
      01-19-2012 03:36 PM #412
      Its an obd1 and I ran it ported for months without problems in my old car, actually made quite a difference in responsiveness

    13. 01-20-2012 01:52 PM #413
      Quote Originally Posted by !monkey View Post
      for us guys with not so much cash, could you give your opinion regarding what parts should always be purchased new vs. what we can get away with buying used? thx
      Do it.

      That car was pretty quick when I had the Schricks in it. The FW should still be the Autotech LW unless Luis pulled it, and the lifters were new when the cams went in, as was the clutch.
      I'm really just here for the pancakes.
      I'm Sorry Hachi... I love you.

    14. Member bgi corrado's Avatar
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      01-20-2012 10:24 PM #414
      Quote Originally Posted by need_a_VR6 View Post
      Keeping up with what exactly?
      the upgrades is what i'm talking about,seems like we've been looking down the wrong path at times when they are stuff that cost relatively spit that can get us what we need,know what i mean? when are you coming my side again

    15. Member XenoLlama's Avatar
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      01-22-2012 07:03 PM #415
      Have a mk3 VR Jetta that I am starting to plan a transmission rebuild for. Planning on a LSD, but am thinking about making some R&P and 5th gear ratio changes. I want to make the car a bit peppier around town, but not loose too much in highway cruising mileage. Engine itself is mostly stock, with 262s as the biggest real power mod. Not really planning on doing much more for power.

      Looking at the available ratios over at http://www.vwtransaxles.com/code.html, and dropping them into the MFactory ratio calculator linked in the OP this is what I came up with.

      Keep 1-4 ratios stock.
      Replace 5th with the 0.717 fifth gear from the TDI (CHA code)
      3.94 R&P

      If I have my head around this correctly, I should get more oomph in 1-4 than I have currently, then be able to cruise at about stock revs at 60-70 mph in 5th, albeit with a pretty tall 4-5 shift.

      Have I totally miscalculated this, or are there other problems I am not thinking about in regards to durability of the parts?

      Thanks!

    16. Geriatric Member need_a_VR6's Avatar
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      01-22-2012 11:49 PM #416
      Sounds right, it will be close but a little higher. I have run a 4.24 with .755 and its not bad at all. 3.94 can be liveable on a stock 5th if you don't highway a ton.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
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    17. Moderator root beer's Avatar
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      01-22-2012 11:54 PM #417
      I liked my 3.68's the most for street driving.

      I didn't go to the 3.94 until the car was really light, with solid mounts, 750# rear springs, and on/off throttle response. That car sucked to drive on teh street. It also just made street tires worthless most of the way through second.

    18. 01-23-2012 12:08 AM #418
      Quote Originally Posted by root beer View Post
      I liked my 3.68's the most for street driving.
      3.68's with a 3rd ratio that doesn't suck is perfect imo.

    19. Geriatric Member need_a_VR6's Avatar
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      01-23-2012 12:28 PM #419
      I'm going to stick with the 4.24 and take 5th totally out next. I only have to put up with it for 7 miles each way.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      MK3 Race Car Partout

    20. Member PBWB's Avatar
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      97 GTI VR, 13 DE GTI, 13 Touareg TDI Executive Edition
      01-23-2012 12:37 PM #420
      Quote Originally Posted by root beer View Post
      I didn't go to the 3.94 until the car was really light, with solid mounts, 750# rear springs, and on/off throttle response. That car sucked to drive on teh street. It also just made street tires worthless most of the way through second.
      Would you say that was mostly in part because of the solid mounts/rear springs? And can you define the on/off throttle response a little more for me? I'm trying to figure out exactly what you mean by this.....

      i currently have a custom geared (obviously piece mealed from different trannys) o2a with a 3.68 final on a stock motor gti, and I like it a lot. I see 28mpg but am going to end up keeping that as my spare trans and using another cryo treated trans with a diff for my 3.94 swap (with the .755 5th). I'm hoping that after I get all the mods done as in this thread that the 3.94 trans will prove nasty on the street or strip. I'll have slapper bars for the rear when I drag it. I guess we'll see once I finish the motor and trans up and drop it in over the next couple weeks.
      -Apple
      Articulated Speed Solutions FTW
      Quote Originally Posted by slcturbo View Post
      I dont care what you or anyone else "thinks" they have done. We're all just racing for fun on here whether you run 9's or 17's.

    21. Member XenoLlama's Avatar
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      01-23-2012 02:30 PM #421
      Quote Originally Posted by root beer View Post
      I liked my 3.68's the most for street driving.

      I didn't go to the 3.94 until the car was really light, with solid mounts, 750# rear springs, and on/off throttle response. That car sucked to drive on teh street. It also just made street tires worthless most of the way through second.
      So I guess my next question is, just how nutty are the 3.94s going to be compared to stock? Car is putting down a hair over 180ish hp/tq

    22. Geriatric Member need_a_VR6's Avatar
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      01-23-2012 05:56 PM #422
      I ran that a long time on stock 5th, it's not too bad.

      ~240whp and the 4.24 gets interesting.

      FWIW I could squeeze 32mpg out of both the 12v with the 3.94 and the 24v with the 4.24.
      -Paul
      1995 GTI VR6 - Retired - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      MK3 Race Car Partout

    23. 01-23-2012 06:43 PM #423
      ^ is it a big difference between stock and 3.94 5th in an 020?
      is it worth the extra cash?? is the money better spent on an LSD???
      im sure it all works hand in hand but im deff building on a budget hoping for 200whp
      out of a 12v dizzy motor. its a street car...
      "You can take my Corrado when you pry it from my Cold Dead Hands".
      http://corradodatabase.com/index.php...orrado&id=4617

    24. 01-23-2012 08:06 PM #424
      Quote Originally Posted by -skidmarks- View Post
      is the money better spent on an LSD???
      That's a big yes.

    25. 01-23-2012 08:09 PM #425
      "You can take my Corrado when you pry it from my Cold Dead Hands".
      http://corradodatabase.com/index.php...orrado&id=4617

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