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    Thread: MKIV : Wheels and Tires

    1. Member performula's Avatar
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      03-23-2007 01:43 AM #1
      Please bare with me as I did not find the answers.

      From the FAQ, I assume (?), the wheel diameter and width cannot exceed what came from the factory. My car came with 16 x 6.5 inch wheels. However, the 2005 GTI had 17 x 7.5 inch wheels offered as an option. Am I allowed to use any 17 x 7.5 wheel or am I limited to the 16 x 6.5 sized wheel?

      Next, what tire sizes are recommended in either 16" or 17" to maximize traction and acceleration on the GTI's 1.8T (5spd) gearing?

      Thank you.


    2. 03-23-2007 09:24 AM #2
      the 2005 GTi had 17x7 wheels as an option so you are allowd to use a 16x6.5 or a 17x7 that has an offset within .25" of the stock offset.

      The GTi has plenty of acceleration without help for autocross purposess. What you want is the widest tire you can fit on one of those size rims/under your fenders, which is 225 mabey 235. The diameter of the rim dosen't matter much just try to find a set of lighter weight rims(stock rims are usually ~22lbs+). If you are going to drive these tires on the street also you will want both a "street tire" and close to stock diameter(ie. 225 45 17) if you are going to change tires at the events you can run a DOT R-comp tire (usually has a treadwear less than 100) and a smaller tire(ie 225 40 17)

      that being said if it is your first time buying autocross specific tires I would recomend street tires as most local regions have a street tire stock class or street tire handicap for stock classes. Most people run and like the Hankook ventus z212 rs2 and the Falken azenis rt615.

      http://www.edgeracing.com has lots of lighter wheels and often has sales on their wheels and/or tires

      I hope this helps and good luck


      Modified by meangreen18T at 5:25 AM 3-23-2007


      Modified by meangreen18T at 5:26 AM 3-23-2007


    3. Member DCMattius's Avatar
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      03-23-2007 10:09 AM #3
      I just bought the Enkei OR52s from Edge Racing and also some Hankook Z214 C70s from frisbyracetire. I'm mounting them tonight and autocrossing Sunday. I can let you know what I think of them. The OR52s are 17x7 and the Z214s are 225/45ZR17s with a treadware of 40. Those Z214s are pretty much autocross only.

      I'm currently autocrossing on the Azenas on stock rims and driving them on the street. They've lasted about a year of autocrossing once a month and 15K miles/year to/from work. They're pretty sticky for street tires.


      Matt

      Matt

      #42 2002 VW Jetta GLI VR6- XGS
      upgrades so far: 17" Enkeis with Hoosier stickies, Koni Yellows, H&R FSB, Magnaflow Cat-back, K&N Filter

    4. 03-23-2007 11:42 AM #4
      To further clarify, to be legal in stock class, the OE size 17" wheels would have had to have been a stand-alone option to simply bolt them on and go--otherwise, if they came as part of a package (e.g. a moonroof and leather), then you'd need to have all of the package added to your car as well. I do not know the answer to "what came with what" on your car, however. And, yes, the wheels can be aftermarket as long as they are within .25" or just over 6mm offset of OE.

      That said, locally no one will likely know or care...but at a Tour or National event, you'd want to be in spec.


    5. Member performula's Avatar
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      03-23-2007 01:27 PM #5
      Quote, originally posted by meangreen18T »
      the 2005 GTi had 17x7 wheels as an option so you are allowd to use a 16x6.5 or a 17x7 that has an offset within .25" of the stock offset.

      Ariettas are 17 x 7.5.

      However, I have everything but leather, so I don't know if I could use them. (Never saw them without leather on other GTIs)


    6. 03-23-2007 02:10 PM #6
      Quote, originally posted by performula »

      Ariettas are 17 x 7.5.

      However, I have everything but leather, so I don't know if I could use them. (Never saw them without leather on other GTIs)


      NO. The aftermarket VW ariettas are 17x7.5 the VW ariettas from the factory or OEM replacment parts dealer are 17x7.
      Trust me I have them and I had to get one replaced after an accident.


    7. 03-23-2007 03:28 PM #7
      Quote »
      However, I have everything but leather, so I don't know if I could use them.

      I was using the 'leather and moonroof' as an example (e.g.)--I am unsure what, if anything, the 17s were packaged with on the GTI in your year--you'd need to research that. If they were a standalone option then its a plug-n-play to be legal. If they were in a package, its all or nothing. Make sense???


    8. Member performula's Avatar
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      03-23-2007 11:53 PM #8
      Quote, originally posted by meangreen18T »


      NO. The aftermarket VW ariettas are 17x7.5 the VW ariettas from the factory or OEM replacment parts dealer are 17x7.
      Trust me I have them and I had to get one replaced after an accident.

      Now that is weird. I'll ask...do you have leather seating?

      Quote, originally posted by Wisconsin_Autocrosser »

      I was using the 'leather and moonroof' as an example (e.g.)--I am unsure what, if anything, the 17s were packaged with on the GTI in your year--you'd need to research that. If they were a standalone option then its a plug-n-play to be legal. If they were in a package, its all or nothing. Make sense???

      All the '05s I've seen, with 17s, were leather. I was agreeing with you. Maybe meangreen will have cloth and 17s...


      Modified by performula at 12:07 AM 3-24-2007


    9. 03-24-2007 12:57 AM #9
      I do have leather and a moon roof, I thought the wheel (17x7 arrieta) option was separate from the leather/moonroof package, but I'm not sure. Locally nobody should notice/care, but if you go to a national event they might notice/care IF the 17x7 wheels are in fact part of the leather/moonroof package.

    10. Member performula's Avatar
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      03-24-2007 01:12 AM #10
      Well, for the life of me - I cannot find a lightweight 16x6.5 wheel. 17x7 seems rare too.

    11. 03-24-2007 01:33 AM #11
      There are a few 17x7 Enkeis on Edgeracing that are relatively light-weight. You can also just stick to the stock 16x6.5 and use a 225/50 16 tire. I've decided to keep it simple this year because I will be going back to school in the fall, and I've used the Kumho MX on special from Tire Rack and even on a bone stock GTI, its still sticky enough to lift a wheel while cornering.

    12. Member performula's Avatar
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      03-24-2007 03:48 AM #12
      I have found these in 17x7 5x100:

      Buddy Club P1 Racing SF - 17.4lbs. ea.
      Velox PG-5 - 12.5lbs. ea. - I couldn't believe it! (A Velox? )
      Velox PG-10 -11.5lbs ea. - Even more so.
      Team Dynamics Pro Race 1 - 16.8lbs ea.
      Team Dynamics Pro Race 2 - 16.5lbs. ea.

      TD looking like the bargain.



      Modified by performula at 4:25 AM 3-24-2007


    13. 03-24-2007 11:18 AM #13
      Rota Slipstreams are light and cheap 16x6.5, et45...but unsure that they (can) have the correct PCD (made) for VW.

    14. Member performula's Avatar
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      03-24-2007 11:52 AM #14
      Quote, originally posted by Wisconsin_Autocrosser »
      Rota Slipstreams are light and cheap 16x6.5, et45...but unsure that they (can) have the correct PCD (made) for VW.

      The ones I found were 4x114.3 or 4x100. From what I understand Rotas need the center bore slightly milled to fit VWs.


    15. Member cvillegti's Avatar
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      03-24-2007 11:52 AM #15
      Quote, originally posted by performula »
      I have found these in 17x7 5x100:

      Buddy Club P1 Racing SF - 17.4lbs. ea.
      Velox PG-5 - 12.5lbs. ea. - I couldn't believe it! (A Velox? )
      Velox PG-10 -11.5lbs ea. - Even more so.
      Team Dynamics Pro Race 1 - 16.8lbs ea.
      Team Dynamics Pro Race 2 - 16.5lbs. ea.

      TD looking like the bargain.

      Modified by performula at 4:25 AM 3-24-2007

      those suckers are super light... if you can afford them I think they're the winners. Otherwise, Team Dynamics makes a great wheel too


    16. Member performula's Avatar
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      03-24-2007 11:55 AM #16
      Quote, originally posted by cvillegti »

      those suckers are super light... if you can afford them I think they're the winners. Otherwise, Team Dynamics makes a great wheel too

      I couldn't believe Velox offered a forged wheel all together. Found the PG-5 17x7 set for a little over $1300.


    17. 03-24-2007 09:43 PM #17
      Come to think of it, Centerline sells forged 17x7s as well; ET 42(?) and about 15# (??)--and they are not expensive as I recall. Focus guys were getting them for around $130-150/each I think...

    18. Member performula's Avatar
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      03-27-2007 01:03 AM #18
      Quote, originally posted by Wisconsin_Autocrosser »
      Come to think of it, Centerline sells forged 17x7s as well; ET 42(?) and about 15# (??)--and they are not expensive as I recall. Focus guys were getting them for around $130-150/each I think...

      The Storm is $290 a piece and Piranha for $99 a piece. The Piranha is hideous. Form definitely over function for those wheels.


    19. 03-27-2007 11:32 AM #19

      They are not the most stylish--its a race wheel...but for $99, its forged (read: strong) and pretty light (15#)...for that kind of money, where are you going?


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