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    Thread: Go ahead...ask those car questions you were always afraid to ask...

    1. Member Sunil's Avatar
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      10-07-2005 02:35 PM #71
      Will double-clutching make your synchros last longer?

      Also, does putting the car in gear when parking cause wear on any transmission parts (bushings...or something...I'm ignint).

      Ryder Hesjedal: "If you draw your sword and then drop it, you die."

    2. Senior Member Air and water do mix's Avatar
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      10-07-2005 02:38 PM #72
      Quote, originally posted by mister_g60 »

      Huh?? So by "crossover" you mean shared the same chassis/platform, right? Ok, let me clarify. I'm not asking if there were any crossovers, but what are the chassis/body/model/whatever designations for the various Audi models. Are you saying there aren't any? So as in MkI and MkII for Volkswagen E36, E39, etc. for BMW ... such a system doesn't exist for Audi? No way.

      Ah, gotcha. I didn't quite get the question. As far as Audi model designations, I'm not quite as up on them. They use the 'B' chassis much of the time. The Audi Fox was the same as the VW Dasher/B1 Passat. The Quantum/B2 Passat was the same as the Audi 80/90 (I think). As far as Audi's 100 series cars, I.E. 100 LS, 100, 5000... I'm not as sure. Were they 'C' Cars? I think they were, but...

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    3. Senior Member Air and water do mix's Avatar
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      10-07-2005 02:44 PM #73
      Quote, originally posted by Big M »
      How come when there are 4 stop signs at an intersection, I often see stop signs that say "All Way" right under them, yet when there are only 2 stop signs, I never see a "Caution: Cross Traffic has no Stop Sign" or something like that?

      Seems it would be a lot more useful to know that the other guys DON'T have stop signs.

      I agree. In Germany, there's a sign called 'Priority Road' If your road has it, you don't have to stop. If your road doesn't have it, you're suppposed to stop. The nice thing is that if the sign is missing, you stop instead of cruising through the intersection. Of course, they use 'Stop' signs as well.

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    4. 10-07-2005 02:50 PM #74
      Quote, originally posted by enriquejcu »
      here's one:
      Do they really need to post "No Passing" signs on roads with a double yellow center line?

      think about all the people on roads who you yell "idiot" to. thats why. A lot of drivers are just dumb.

      Quote Originally Posted by dirtbaggg View Post
      is there anyway to get a new uni body?

      like can yu take the uni body off

    5. Member Chmeeee's Avatar
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      10-07-2005 02:53 PM #75
      Quote, originally posted by Big M »
      How come when there are 4 stop signs at an intersection, I often see stop signs that say "All Way" right under them, yet when there are only 2 stop signs, I never see a "Caution: Cross Traffic has no Stop Sign" or something like that?

      Seems it would be a lot more useful to know that the other guys DON'T have stop signs.

      Basically you should assume that its not an all way stop unless you see a sign indicating as such. Besides, its almost always obvious when its a two way stop, i.e. local street crossing major collector road.

      They do have a sign exactly as you described for unusual cases where it seems like there is an all way stop but there isn't (i.e. three out of four approaches have stop). Traffic from left does not stop, traffic from right does not stop, opposing vehicles do not stop. (I actually had to find such a sign so I could recommend it in a parking lot design).

      Quote, originally posted by Big M »
      And another thing...
      Engine braking in a regular car: I heard here that you actually burn less gas when engine braking (even if your RPMs start at, say, 3500, and wind down) than you would if you just coast in neutral with the engine idling.
      True or false? Brief explanation, please?

      It is true. When you are coasting in gear, the engine doesn't need fuel to keep spinning it, the car momentum does that. Therefore it would be a waste of fuel to send fuel to the injectors. People over at TDI Club tested this by driving the car with a laptop connected to the computer. Coasting in gear, the injection quantity was zero. I personally tested it by shutting off the car going down a long, straight, empty hill. Nothing changed when I shut it off or turned it back on. Sound stayed the same, deceleration rate stayed the same, etc.

      Quote Originally Posted by Captain 'Murica! View Post
      What if my idea is to go faster around a track than your idea?

      Corvette. Less than you can afford, pal.

      | The Red Line
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    6. Senior Member Air and water do mix's Avatar
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      10-07-2005 02:56 PM #76
      Quote, originally posted by enriquejcu »
      here's one:
      Do they really need to post "No Passing" signs on roads with a double yellow center line?

      Because there are so many stupid people out there... meaning not here in the Car Lounge of course!

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    7. Member Armed Escort's Avatar
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      10-07-2005 02:58 PM #77
      What the hell is "Symmetrical AWD", anyway?
      LeatherHead - Team Post-Killing Ninja

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    8. Banned jackwrx's Avatar
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      10-07-2005 03:10 PM #78
      If you're driving at 35 mph in 4th gear at 2500 rpm are you getting the same mileage as driving 45 mph in 5th gear at 2500 rpm?


    9. 10-07-2005 03:11 PM #79
      Quote, originally posted by G-rocco »
      Why are import tuner exhausts so "farty" sounding, while euro tuner are deeper and burble-y.. (with the 4cyl. ones)??

      IMO, There are alot more "crappy" companies that provide "crappy" products for "import tuners". Reason: there are A LOT more of them then compared to "euro tuners". Luckly, most of the companies for "euro tuners" are good-quality products. If you place a good quality product on a "import tuner" it'll sound great, not "farty".

      New question: Why is the term "import tuners" directed only towards japanese made cars? "Import" to me means coming from a different country. I know it'll never change, but I'm curious how it all started.


    10. Member The Chemist's Avatar
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      10-07-2005 03:12 PM #80
      Quote, originally posted by jackwrx »
      If you're driving at 35 mph in 4th gear at 2500 rpm are you getting the same mileage as driving 45 mph in 5th gear at 2500 rpm?

      I'll take a gander at this one and say that you'll get better mileage at 35mph, all else being equal, because the wind resistance will be lower at lower speed than it is at higher speed. So the engine doesn't have to overcome as much opposing force, and more energy goes directly to pushing the car forward, reducing fuel consumption.

      "Love is better than anger. Hope is better than fear. Optimism is better than despair. So let us be loving, hopeful and optimistic. And we'll change the world."

      - Jack Layton, 1950-2011

    11. Senior Member
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      10-07-2005 03:18 PM #81
      Quote, originally posted by Sunil »
      Will double-clutching make your synchros last longer?

      Yes, honest to god double de-clutching will make the synchros last longer as you are doing their job for them.

      Quote »
      Also, does putting the car in gear when parking cause wear on any transmission parts (bushings...or something...I'm ignint).

      Eventually, but so does sitting in your car

      Germans are white people. Look up #84 on the list of things white people like: Gear. Lots of Gear. We even have gear farkles over here. -Atomicalex

      Upon my word I have had as much excitement on a car as in the air, especially since the R.F.C. have had women drivers. -James Byford McCudden

    12. Member
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      10-07-2005 03:23 PM #82
      Quote, originally posted by nourdmrolnmt1 »

      is that that difficult???

      no Hazardous Chemicals.

      typically on a highway that goes through a city they will have this, the HC is in green IIRC

      Is that what the single small green light on the trailer of semi also stands for? That they are carrying HCs? I noticed this on the highway one night on the way back from El Paso on I10.


    13. Member Honda_Appliance's Avatar
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      10-07-2005 03:29 PM #83
      Quote, originally posted by NM_GTI_VR6 »
      Is that what the single small green light on the trailer of semi also stands for? That they are carrying HCs? I noticed this on the highway one night on the way back from El Paso on I10.

      I think the colored lights you see on some trailers is a status light for the refrigeration unit. It lets the operator know it is functioning properly and the cargo he is hauling won't spoil. He can check it simply by looking in the rear view mirror and see that it's on.


    14. Member
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      10-07-2005 03:42 PM #84
      "cab forward" design. wtf? where else would the cab be facing?

    15. Member 1.8t man's Avatar
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      10-07-2005 03:44 PM #85
      Why doesn't vw ever bring a 4 motion plain and simple 1.8t gti/jetta here..

      ohh yeah also what the hell is wrong with danny bonaduchi have you seen his reality show jesus christ..


      Modified by 1.8t man at 3:46 PM 10-7-2005

      2012 JSW tdi..

    16. 10-07-2005 03:48 PM #86
      AFAIK,
      Cab forward means the drivers area of the vehicle sits on top or in front of the front wheels. See: http://en.wikipedia.org/wiki/101_Forward_Control

      I've got one:

      I see little rectnagular white signs that say "No trucks with R permits" all the time. I assumed that R = Restricted. But what would qualify for an R permit?


    17. Member
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      10-07-2005 03:57 PM #87
      Quote, originally posted by GTS2nd20l »


      It basically works on the fact its just another vavle. Driver hits switch, vavle opens in the head, on any Stroke on all cylinders and just dumps it all out the exhuast.
      Cutting power, making it easier to brake those big shats.

      are you sure that's how jake brakes work? if a valve opens on all strokes, there would be no compression, thus no compression braking. i was under the impression that jake brakes altered the opening of the exhaust valves, keeping them closed longer, thus increasing compression braking. anyone know for sure?


    18. Member VW_Squiner's Avatar
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      10-07-2005 03:57 PM #88
      Quote, originally posted by jackwrx »
      If you're driving at 35 mph in 4th gear at 2500 rpm are you getting the same mileage as driving 45 mph in 5th gear at 2500 rpm?

      No


    19. Member
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      10-07-2005 04:02 PM #89
      nevermind! i was wrong, http://en.wikipedia.org/wiki/Jake_brake

    20. Moderator Oliver@triplezoom's Avatar
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      10-07-2005 04:02 PM #90
      Quote, originally posted by petesell »
      "cab forward" design. wtf? where else would the cab be facing?

      It's more about the proportions than anything else. Cabforward cars generally have a short hood, and a realtively short front overhang. Ergo, the "cab" is placed "forward".


    21. 10-07-2005 04:06 PM #91
      Quote, originally posted by mister_g60 »
      What are the MkI, MkII, MkII, etc. equivilents for Audis? Here, I'll list the ones I can think of so you can just fill in the blank.

      UR-Q
      4000
      5000
      100
      200
      V8Q
      Coupe Q
      A4 (first and second gen)
      A6 (first, second and third gen)
      A8 (ditto)

      This has been bothering me for some time now.

      Small cars:
      1984-1987 (91*) 4000, urQ = Typ85 *urQ was produced till 1991
      1988-1992 80/90/Coupe quattro = Typ89
      1993-1997 90/Cabrio = B4 (This is where it starts getting easier)
      1996-2002 A4/S4 = B5

      Medium cars:
      1983-1991 5000/100/200 = Typ44
      1992-1997 100/A6/S4/S6 = C4
      1998-2004 A6/S6/RS6 = C5

      Large cars:
      1989-1994 V8 quattro = D1
      1996-2002? A8/S8 = D2
      2003-Current = D3

      TT:
      Not really an Audi.


    22. Member Sunil's Avatar
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      10-07-2005 04:30 PM #92
      Quote, originally posted by Air and water do mix »
      I agree. In Germany, there's a sign called 'Priority Road' If your road has it, you don't have to stop. If your road doesn't have it, you're suppposed to stop. The nice thing is that if the sign is missing, you stop instead of cruising through the intersection. Of course, they use 'Stop' signs as well.

      Yeah, but the f'd up thing is when there is no "priority road" sign, and the only way to tell that you are on the "priority road" is that you have to spot the BACK OF THE YIELD SIGN at the other corners!!

      Agh this pisses me off!

      Ryder Hesjedal: "If you draw your sword and then drop it, you die."

    23. Senior Member Air and water do mix's Avatar
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      10-07-2005 04:52 PM #93
      Quote, originally posted by Sunil »
      Will double-clutching make your synchros last longer?
      Also, does putting the car in gear when parking cause wear on any transmission parts (bushings...or something...I'm ignint).

      Don't actually know about that, but shifting the car while the engine isn't running is really bad for the gears themselves. The synchros just aren't working when they're not spinning. You can actually chip a bit of metal off of the teeth of the gears when they're not spinning. Not much damage, but after 5 years or so of this...

      I know that putting a car in gear when it's stopped puts a load on the shaft, bearings etc, but I don't think it does any real damage to the trans.

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    24. 10-07-2005 05:13 PM #94
      Quote, originally posted by Air and water do mix »
      Don't actually know about that, but shifting the car while the engine isn't running is really bad for the gears themselves. The synchros just aren't working when they're not spinning. You can actually chip a bit of metal off of the teeth of the gears when they're not spinning. Not much damage, but after 5 years or so of this...

      The gears are always engaged in the transmission. The shifter only controls which gears have the dogs engaged, locking the gear to the shaft. The synchros gradually engage first before the dogs engage, getting the shaft up to speed first so they don't grind.


    25. Member WOT's Avatar
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      10-07-2005 05:26 PM #95
      Quote, originally posted by Vayhemar »
      If you had the manufacturing/fabricating means available, could you put a turbo on any engine? Say, a 22RE? And I mean a big turbo, like something off a tractor trailer.
      considering that there was a 22r with a turbo on it stock, yes you could.
      a 2.4L would have to be spinning pretty fast to spool a semi truck turbo but yeah anythings possible.

      how does vtec work?


    26. Member IntrstlarOvrdrve's Avatar
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      10-07-2005 05:37 PM #96
      Oops
      '04 M3 |'86 Jetta |'76 F100 |'64 Wagonaire |'62 Bel Air| '61 Bug

    27. Senior Member Air and water do mix's Avatar
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      10-07-2005 05:47 PM #97
      Quote, originally posted by The Chemist »

      I'll take a gander at this one and say that you'll get better mileage at 35mph, all else being equal, because the wind resistance will be lower at lower speed than it is at higher speed. So the engine doesn't have to overcome as much opposing force, and more energy goes directly to pushing the car forward, reducing fuel consumption.

      Errrrrrrrrrrrmmmmmmmmmm, no. Aerodynamics really don't enter into the big picture 'til about 60mph (100 kph). The faster you go, the more drag. It's not even, either. If you require 30hp to go 60 mph, you'll need alot more than 60hp to go 120mph.

      You want the engine to spin as few times as possible for a given length of distance travelled. If the pistons go up and down 1000X in 100 ft, you'll use x amount of fuel, if you're in the next gear, they'll only reciprocate 875X in 100 ft. (yes, I know the numbers are way off, but it's just an example.) Of course, if you're out of the engine's comfortable range of operation, say 600 rpm in 5th gear, you'll get lousy mileage because the engine isn't designed to be efficient at those revs.

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    28. Senior Member Air and water do mix's Avatar
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      10-07-2005 05:52 PM #98
      Quote, originally posted by vwgtirob »

      The gears are always engaged in the transmission. The shifter only controls which gears have the dogs engaged, locking the gear to the shaft. The synchros gradually engage first before the dogs engage, getting the shaft up to speed first so they don't grind.

      Yow! Is that why VW has problems with their early water-cooled trannys? The air-cooled crowd actually welds the 3rd and 4th gears to the shafts for drag-racing purposes. I'm not sure about the 1st & 2nd gears, as I'm not a transmission builder by any means. I'll have those done for me and I'll stick to nice, simple engines. They're more fun anyway!

      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    29. Banned
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      10-07-2005 05:57 PM #99
      Quote, originally posted by WOT »

      how does vtec work?

      In a vtec head (I'll describe DOHC vtec since that's what I have and am familiar with) there are three "followers" for every two valves. Two smaller ones on the outside and a larger on in the middle. At low rpm's, the valves are timed with the outer two valve rockers.
      When the engine reaches a certain rpm, the oil pressure forces a locking pin to lock the middle cam follower to the two outside rockers. Because the middle cam lobe is larger than the outside, it determines the valve timing. And there you have it, variable valve timing and lift electronic control.

      Hope that helps


    30. 10-07-2005 06:13 PM #100
      Why cant penguins fly?

    31. 10-07-2005 06:17 PM #101
      Quote, originally posted by Armed Escort »
      What the hell is "Symmetrical AWD", anyway?

      ^^^^^^^^^^this is the all wheel drive on Subaru's^^^^^^^^^


      What does "IMO" mean
      i just found out what LMAO, ROTFLMAF, and LMFAO mean


    32. Social Media Iron Man(and Administrator) jebglx's Avatar
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      10-07-2005 06:40 PM #102
      IMO- in my opinion
      IMHO- in my honest opinion

      these are supposed to be car questions !!!

      bill


    33. 10-07-2005 06:59 PM #103
      God Im scared to ask put what is Double-Clutching ?

    34. Member
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      10-07-2005 07:37 PM #104
      Quote, originally posted by 97jetta2.8 »
      God Im scared to ask put what is Double-Clutching ?

      if you want to downshift from 4th to 3rd:

      clutch in, select neutral, clutch out, blip throttle, clutch in, select third, clutch out. waste of time if you are driving a car with syncro's. (all modern cars.)


    35. Member JUSTINCASE1021's Avatar
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      10-07-2005 08:31 PM #105
      when will cars come with computers in them and no i'm not talking about the ecu....

      as small and cheap as most laptops are...it couldnt be that hard to have a factory carputer...

      *subtract the price of a sunroom .... add a carputer

      *cold weather package...well if you live in arizona just give em a carputer

      is it because its one more distraction that a car company doesnt want to held responsible for?

      am I way off base???

      OSD/NEK
      I make beats...the beats don't make me....

      Alexi DeRochambeau was my hero....R.I.P.

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