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The engine is capable of each of them. The turbo Megane shows that. But the Clio Sport engine is high compression, so you'd have to fit different pistons. Its the gearbox that's not capable of taking more torque, ie, significant turbocharging or supercharging. And there's not a lot of room in...

Yeah, well, it would be wacky for a Renault if it put reverse in the normal place, wouldn't it. Another gearbox borrowed from Nissan?

Change the wheel diameter 3 inches and change the width by an inch or two and change the offset by 10 millimetres and change to a totally difference size and profile tyre from a different manufacturer and all those together are going to produce noticeable difference in feel and handling...

11.9 kg !!!! Gees, my 172 came with 15x7s (they did in this country) and - I just measured one - they only weigh 8.5 kg. Sure, the 15" tyre is a bit heavier than a 16" tyre, but only about 1 kg.

Bigger diameter wheels usually make the handling better because when you increase the wheel diameter you put lower profile tyres on that put more rubber on the road and have shorter more rigid sidewalls. But bigger diameter wheels make the ride worse on rough surfaces because a larger diameter...

Its a matter of what the ESP has sensors to detect and is programmed to deal with. You refer to the car "sliding". By that I presume you mean the car was going in a straight line, but wasn't pointing in the direction it was going. The ESP's not looking for that. Its looking for it rotating...

No, you can't remove the foam and clean it. Its a damn stupid way of designing it.

For road use the brakes you need depend on how heavy the vehicle is. On the road you don't do repeated sustained heavy braking. And if you do drive like that you don't have your licence for long. For racing use the brakes you need depend on how much horsepower its got. The amount of kinetic...

You realise don't you that airbags only have a life of 10 years. They are supposed to be replaced then, even if they haven't gone off. Airbags are like auxiliary belts and timing belts that have a limited life with a progressively increasing likelihood of failing if the service life is...

Young men don't like the same things as old men. Young men are leaner, fitter, more athletic, have better reflexes and poorer. Old men are fatter, and slower and richer. The cars they like, the sports they like, the women they prefer reflect all the differences between them. Young men want to...

So when was it you weren't thinking straight ... when you ordered the right sized tyres, or when you thought you hadn't and started this thread?

Whether he says he was in the wrong, or thinks you were, or whatever else is irrelevant. The police will decide based on who was in what lane who they deem to be at fault and the insurance companies actions will be based on that. Multi-lane roundabouts have terrible crash records. Unlike...

If the way you drive means you need and want the absolute best then you have to pay for the best. If you don't drive that way there's not a lot of point in paying for the best. Tyre technology has been around for a long time without any huge advances. That means there's not really much...

That's usually considered illegal. If you have different sizes you have to put the wider ones on the rear.

Don't get a filter that uses a foam element. They clog up. They have to washed and cleaned. They only work if they're correctly oiled. And in the case of the Viper you can't remove it for maintainance/replacement. Whether you just upgrade the standard air cleaner or get a "performance" (ie...

Agreed!

All else being about equal, 0.1 seconds off the 0-60 time can be obtained with either a 3% increase in power or a 3% decrease in weight. The difference between 172 ps and 182 ps is 6%, so it should be worth 0.2 seconds. The question in regard to Clio Sport 172s and 182s is whether the 182...

There are fundamental rules of everything. One of the fundamental rules of engineering is that easy simple solutions can do one thing right, but it usually takes complicated solutions to simultaneously solve multiple problems that have conflicting engineering requirements. And that complicated...

Adrian Burrows' answers appears to be based on the totally wrong idea that you are taking a HID bulb out of a projector-type headlight and putting it in a reflector-type headlight that isn't designed to take or approved for that bulb type. Which of course you can't physically do because...

That'll take about 10 milliseconds off your 0-60 time and about 30 milliseconds off your quarter mile time. A real bargain for about, what, three hundred pounds?

The ride would be better on rough surfaces with 15" wheels because of the taller more-flexible sidewall, plus the wheel and tyre combination would be lighter, reducing unsprung weight. But I'm not sure that most people would agree that the handling was better. Handling wouldn't be as sharp...

When you buy replacement tyres that have to fit the wheel diameter, and be neither too wide or too narrow for the wheel width, and be not much smaller or larger in diameter than the original tyres, and not be too wide to fit under the guards without rubbing, including when the suspension was...

It takes a surprisingly long time to decide it is warm enough. I was doing A-B tests on fuel consumption (without then with a modification) on successive 4C (40F) nights. The numbers didn't make sense until I realised I had to throw away the first 15-20 minutes of numbers. The temperature...

Anyone wanting an explanation should google "ackerman".

10 bhp is hard to detect, but even fully-instrumented road tests have failed to show the performance difference that 10 bhp should result in. You have to wonder if it was a bit torquier in the midrange thanks to the 4-2-1 exhaust, and a 3-5 bhp more at the top end thanks to the better inlet...

Saw a guy crash a superkart into a concrete wall on his first day out on the track. The problem is you're not belted in, you don't have a roll cage, and you aren't far from the outer boundaries of the vehicle. He went into the wall hitting with the front right corner of the kart. That hit...

Accelerator on the right. Brake pedal on the left activating a brake disk on each front wheel plus on on the solid rear axle. You've got an adjuster within reach down beside your left left for front-rear brake balance. Hand gear change on the column. You only use the hand clutch for getting...

Yeah, they're just superkarts - ie, karts built for full-size motor race circuits not short spint tracks - with the front nose cone removed so they've got enough ground clearance to handle a normal street surface. And they weren't actually going very fast. That's the fun of any kart. That you...

16s good: - better grip because lower profile tyre puts more rubber on the road - more responsive handling because shorter tyre wall flexes less - looks bad: - harsher ride on small bumps because lower tyre walls that flex less - poorer ride on big bumps because bigger wheel is heavier -...

Why are you going HID? They cost an absolute fortune, and don't put out much more light. The reason car manufacturers put projector-type headlamps in is to cut glare and to sell to people wo want to able to say to their mates "I've got xenons". If you are just putting HID globes in...