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That's an odd quarter mile. Its a surprisingly high terminal speed for that quarter mile time. Its the sort of time/speed combination that a car would get if it had a lot of power, but had trouble putting it down off the start line.

I calculated the above result. That 90 bhp in a Clio should get it to 110 mph. And posted it. Then I went and fed the possum. Then I thought, gee, maybe I ought to check it by seeing if there's a Clio with a 90 bhp engine, and finding out what top speed it actually has. Wikpedia tells me...

You've somehow succeeded in producing enough power from a 1.8 litre (?) engine at only 6000 rpm to pull the car through the air at 155 mph. Congratulations. That's an unbelievable achievement.

I don't know what the drag figures are for an Almera. But if you put a 90 bhp engine in a Clio Sport it should do 110 mph.

7200 rpm? That would require 235 bhp.

That would require 250 bhp. So there are two alternative possibilities. One is whether you should believe your speedo. The other is whether we should believe you.

http://www.digimoto.com/ They claim their software can produce power and torque curves based on knowing the mass of the vehicle, monitoring what they can read through the OBD-II port, and timing how long acceleration takes. Actual power and torque curves would be more useful than what a...

If you're going to carry it around you need as space saver, but they don't save that much space. And if you're not going to carry it around then you just need a wheel that fits, you don't need it to be a space saver, and you don't need it to be as wide or expensive as a 182 wheel.

All else being equal, in the dry more rubber on the road means more grip, whether its the result of a wider tyre, a slick or competition tyre that has a tread pattern with more "land", or a bald tyre. But there are reasons why bald tyres might not have more grip. Old tyres have less grip than...

Oh, you really do mean double-sided. Yes, they exist. But they're rare. No-one really bothered with them once the alternative of double-layer became popular. DL doesn't require you taking the disk out and turning it over. DS does. Nero's just going to see a DS DVD as two single-sided DVDs...

What you mean is double layer not double sided. Anywhere that sells blank DVDs should sell blank double-layer DVDs. They have a big DL on them. And they say they have 8.5 GB capacity rather than the 4.7 GB of a single layer DVD. And they cost more. Nero just treats them like a bigger...

Australia's car market is a lot different to Britain's. Renaults models generally don't fit well. There's a market for European prestige cars, but because petrol is cheap and big cars are cheap here, small cars have to be cheaper, and non-prestige 4 cylinder cars like Meganes have to be cheaper...

Something looks seriously wrong with the photos of those wheels and tyres. It looks like the tyres are lot narrower than 195, like 165s, or the wheels are a lot wider than 7". They almost look like the rims could touch the ground on heavy cornering.

Looks like massive overkill to fit 8mm spacers. This is a machining problem. The wheels turn, the spokes just touch the brake calipers as they turn. This is a problem that would be solved by a 1mm shim between the hub and the wheel.

Looked at the first of those two. Things in the advert give me reasons to not trust them, for example the standards they say they comply with. Basically they are bulls**t standards. Any good product would be able to quote real standards they comply with. Looked at the second one. Basically it...

Happened to me. Still don't know to this day if or how much was overwritten. Whoever remaps your ECU should keep the map they put in it and redo it at reasonable cost. After all you've already paid for their map. You're just asking them to put it back in again.

Its not legal to install a copy of XP supplied with a PC onto any other PC. Its illegal whether the other PC is a HP or not. There are three sort of copies of Windows XP: 1. OEM copies sold with brand name PCs, 2. OEM copies sold with or for "white box" PCs, and 3. full price versions. Full...

petrol + air ---> nitrogen + CO2 + water Water coming out of your exhaust is normal until the car heats up enough that its steam that comes out and you don't see it. Even if its not water from combustion, if its water leaking into the cylinder from a failed head gasket, once the car warms up...

I've never driven in Britain. And on all the TV footage I've seen I can't remember noticing what we call an "advisory speed sign" of the sort we have here in Australia and NZ. But they're so normal here that I'm not sure I would notice one even if I saw it. And in a quick internet look I can't...

I bought Nortons year after year. I've tired of that. Now I downlod AVG's free software. And recommend it to everyone. It seems to do just as good a job, and do it less intrusively. And its free.

Don't install a reversing camera to look out the front of the car. Reverse cameras reverse the image so you see what you'd see in a mirror. Or at least make sure the one you get a has a normal/reverse switch.

Drops of rain in the air that's sucked into the engine is not a problem. Where rain is a problem with a ram-air type intake is where rain falls into the intake, collects in the air filter and piping then gets sucked into the engine when you start it. So what you have to have is a section of...

Won't that disable to steering wheel airbag as well? And what about the passenger side dashboard airbag?

Wrong. You need as high a RON as is necessary to prevent detonation in that engine. Any higher RON than that produces no more power in that engine but costs you money and costs the planet in extra petroleum required to produce that amount of fuel. The documentation that came with my 172...

The chance that a 9.5" wide wheel off another sort of car altogether would not just fit inside the lip of the rear guiard but somehow also happen to have exactly the right offset is zero.

The problem is not getting that much horsepower. 260-280 bhp is easy if you're talking about a race engine full of expensive trick bits with a tiny narrow power band at the top of its rev range. Where it doesn't matter that when you're outside that narrow powerband the car is actually slower...

Next week the desert lake racers have their annual event out on Lake Gairdner here in South Australia. Its this huge desert salt pan that's dry most of the year, and only has water in it for a short while after the occasional rains. The desert lake racers have a section of it measured precisely...

Thought it was OK to use the standard bolts providing the spacer was no more than 5mm? Is there any problem if you use too long a bolt? Is there the potential for it to not be able to screw in far enough to hold the wheel tight against the hub?

Interesting question. I'd be interested in the answer. Had a Honda Civic years ago that I did club racing in. Discovered that Honda had a whole range of parts you could order that weren't hugely different to the standard parts but added the potential for a few horsepower here and a few more...

Yes.