first puncture resistant tyre?

Question 1
first puncture resistant tyre?...  i think the first tyre that was punture resistant was made / used on cars in the mid 1980 s ???, i think it was so that if you did get a puncture !! you could still drive at about 30mph to get you home/nearest garage, is this right and if so what was the tyre called??

Answers
1)   they were run flats , that's what they named the tyre but i'm not sure which manufacturer

BUT they were not the first , the first puncture proof tyres were in the eighteen hundreds (late) and early 1900s as they were made of solid rubber - Francis

2)   In 1974 the option of Dunlop Denovo run-flat tyres was offered on the Mini 1275 GT - Fred3663

3)   Michelin used to produce some of their tyres for bigger cars such as Jaguar and BMW, about 20 years ago, with a lining of uncured rubber that would seal around a nail if the tyre got punctured. Continental currently also produce a similar tyre. They are not run-on-flat tyres, but just designed to not deflate. - CDC

4)   Well, technically the very first tyres were puncture resistant because they were solid rather than inflatable, but the first mass market run flats in the UK were indeed Dunlop Denovo, have a look here..

http://www.aronline.co.uk/forum/viewtopic.php?f=44&t=15834&start=0 - EvelynThe ModifiedDog.

5)   Puncture resistant tires have been marketed at various times (Uniroyal Nailguard for example) but they don't actually work as advertised so don't last in the market long.

Run-on-Flat tires are different than puncture resistant tires. They are designed to be able to be driven on after air loss for limited speeds and distances. Developed in the mid-90's I believe the first application was the Corvette. They are now standard equipment on all BMW models and optional equipment on some other vehicles.

High cost, limited available and complaints of poor wear and ride quality have limited the appeal of this type of tire. - JBF


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Question 2
Bought a 2001 Jetta VR6. What should I do to it first?...  Looking for performance info. I know how to make a car look good.

Answers
1)   exhaust system. - Scotty Boy

2)   Go sleeper for your first mod
Get headers. - Murdered out Spec V

3)   First of all some maintenance, have the camshaft aka timing chains and belt have been done yet? If not, you can kiss that sweet sounding engine good bye once you put on all the performance add-ons.

Exhaust is one thing, free up the intake is another. You may want to do the suspension as well. - djaca70

4)   FIRST?
GET YOURSELF A NICE KEY CHAIN. - mchaz60


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Question 3
Regular Gas in an 08 Passat?...  I only need this car to commute 20 miles everyday to and from school (mostly highway and some city driving) and am not interested in exceptional, racing-grade performance. Would it be possible to fill this car up with 87 octane gasoline and have few problems down the line? What sort of problems (besides the usual ones of automobile ownership) will I be facing? Will avoiding those problems outweigh the price of fueling up with premium?
Many Thanks,
-EL
The car is a 2.0L 4-cyl. engine with automatic transmission (TURBO model.)

Answers
1)   There's nothing wrong with burning 87 octane. Higher octane would just be wasting money. - Welcome to my Nightmare

2)   I would not recommend it. Although it has knock sensors, prolonged use can wear out the engine. Besides, it can take 91 octane or higher, and also your gas mileage will be better with the 91. - djaca70

3)   Actually, it is recommended that your car take 91 octane, or premium. It should say so on the gas flap itself.

I have an 07 Passat with the same 2.0T. All of VW and Audi cars with that engine require premium fuel. Your engine may begin to run rougher or develop knocking noises if you don't use 91. - vrsicks


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Question 4
What size of allen wrench do you need to undo the calipers on a 2006 Jetta?...  My dad is doing the brakes on the 2006 Volkswagon Jetta TDI, but we are unsure on what size of wrench is required to undo the calipers.

Does anyone know what size is required?

Answers
1)   I think it is a 8mm spline drive (8 point bit) - Robert P

2)   its an 7mm allen key - nick

3)   if you're just changing pads and not rotors you wont need the 14mm triple square and there is no allen wrench usage for this job. All you need is a 16mm and 13mm wrench. - nellus Rivers


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Question 5
Question for anyone with a gen 6 Golf or Jetta TDI!?...  I'm looking at a new Golf TDI and was just wondering some of the real world gas mileage figures where from people who have actually calculated them. Also, does anyone know if VW has plans to bring the start/stop auto shutoff from the bluemotion over to the American TDI?

Answers
1)   no sorry i dont know that one. - Roberto

2)   Auto shutoff will not come to the US TDi's. As for fuel figures, you are looking at high 40's low 50's if not pushed hard. - djaca70

3)   As an actual 2010 Golf TDI owner... I can tell you that MY real world fuel economy, over the first 45 fill ups, covering 22,018 miles through the West Virginia mountains is 40.2 mpg. Your mileage will vary, greatly. Head over to http://www.tdiclub.com and there are some that live out in Kansas, Texas, anywhere that its flat, and can pull in high 40s with ease, others are stuck with a lot of city driving, stop and go traffic, and are happy if they can get 30.

You're welcome to check out my fuelly account where you can see my tank by tank numbers, you can also search for other Golfs, Jettas, etc from 2009+ to see what kind of numbers others are reporting.

http://www.fuelly.com/driver/reechardwvu/golf-2 - Richard R


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