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If there's a lot of difference between dry and wet braking ability, one of the possibilities is tyres that have poor wet grip. What sort of tyres did you put on it?

A 14.4 requires about 25% more power than standard, or some other modification(s) or tricky techniques equivalent to that. Sorry, not plausible.

Edde, isn't PS measured with all the accessories on? Back in the old days of big American V8s supposedly generating huge amounts of horsepower it was measured with a bare motor. But not these days?

In another thread - I was grumbling that my car had got to 3 years but only 40,000 kms and the dealer wanted me to change the auxiliary belt and the cam belt ("to save the cost of another lot of major work on the engine") - edde said something to the effect that when the auxiliary belt goes on a...

Was whingeing elsewhere that we have to get out our Clio Sports serviced twice as often here in Australia. But bizarrely each ordinary service (ie, excluding belt changes) involves pretty much the same things being done as each of your services, but only costs half as much. I've never paid...

Its just the way the numbers come out when you have the car models you have and the production engines you have and you mix and match them.

The PCD needs to be right. That is. The offset needs to be right. As you've been told that can be corrected by a spacer. Depending on the direction. But you still won't be able to fit if the centre hole is too small. And if the centre hole is too large you must get a spigot ring to match...

Walked into a dealer in January 04, and asked two questions. Were there any problems towing with a 172. And was there a new model due soon. The answer I got to both were lies. Lying b*****d dealers.

You are talking fahrenheit. He is talking celcius.

Theoretically possible. Practically impossible. Its a car gearbox not a bike gearbox. The synchros are only designed for the interia of the gearbox parts, not the whole engine. If you don't match the revs exactly right they can't.

Liquid fuel doesn't burn. It has to be vaporised to burn. The lower the fuel temperature is and the colder the air you're trying to mix it with is the harder it is to vaporise the fuel, so you uneven mixture and incomplete burning of the fuel in the combustion chamber, higher emissions, and...

So if cold air is so great, why don't cars ONLY have a cold air feed? Why do they have a cold air feed that only opens under high throttle, and the rest of the time they suck warm air?

Thanks. Yeah, that's what I was unsure of with the sticky I read, whether it related to a 172. Does seem a bit extreme, that in the UK its an oil (and oil filter) change every 2 years or 12,000 miles (20,000 kms), whereas here we have to have one every 6 months or 6,000 miles (10,000 kms)...

There's a sticky by Edde at the start of this section about service intervals. It says in part "Normal servicing is done ever 18k or 2 yrs there is a 1 month/1k tolerance so you can have it done up to 25month or 19k before any warranty implications." I'm puzzled that this is very different to...

Here in Australia we have a fuel called "Opal" to solve a particular problem: petrol sniffing in remote aboriginal communities. Bored black kids in communities a huge distance from anywhere else get hold of petrol by either stealing it from visitors cars - the petrol bowsers are all locked in...

It is correct that higher octane fuel than an engine was designed for doesn't make it go any better. If you take an engine with a 9.0:1 CR designed for 90 octane, it won't go any better on 98 octane. A higher octane fuel only allows a higher compression ratio. Its not the fuel that results in...

My 172 ph2 is a pain getting away from a standing start. You have to pick up just enough revs so that it doesn't stall, but not so much throttle that is squeals the front tyres. A lighter flywheel would make that even worse. And a lot worse up hill with the air conditioner on. Race engines don't...

Anti-roll bars only work whilever the two wheels they connect both stay on the ground. Increase the roll resistance on the back of a Clio Sport and I would have thought you'd just get a three-wheeler. OK, fair enough if you've increased the front spring rates and that's given you understeer...

As Edde says in his immediate previous posting, it isn't as simple as 15% or 17%. Its a lot more complicated. That's why I called it a "rule of thumb", not a "rule" in my posting. That's what "rule of thumb" means, a simplification of a more complicated situation which usually gives pretty close...

Renault says the Clio sport 172 puts out 172 ps at the flywheel. That's 169.6 bhp. The widely accepted rule of thumb is that a front wheel drive car loses about 15% of its power between the flywheel and the road in frictional losses in the drive train and losses in the tyres. Compared to 17% on...

The bigger the car is the easier it is to get a low drag coefficient because you have the length to work in to get the aerodynamics right, eg, by narrowing the rear and having as flat as possible rear window. Cars where the aerodynamics are compromised by having to fit inside a small form factor...

The sill isn't quite flat. Measured from the inner edge where it folds down again its: 161 mm at the front 210 mm at the rear For the outer edge of the sill add 5 mm. That's for an Australian-spec 2003 build Clio Sport 172, ie 15" wheels with 195/50 tyres.

On the door there's a tyre placard. The dealer stuck the label saying 500 kg max towing weight that came with the tow bar below it. On the door opening there's a vehicle identification plate that has a chassis number, a number of weights, plus a build date and stuff like paint code and...

You're trying to down load Vista, aren't you? I've got 256 kb/s broadband. 54 hours. Had to forget it.

I opened that link and went to the section that said "Towbar fitting instructions" and opened the pdf. It opened as RN63[2].pdf. There was a drawing of their towbar for a Clio in it. The Renault towbar is a bit different to that in ways that might make it easier to fit above the 182's dual...

I've got a tow bar on my 172. Yeah, its a long story, and court action against the dealer for selling me a 172 on the basis that there was "no problem" with towing with it is still unresolved. In fact one of the excuses being used is what you're saying, that the fact that I asked for a towbar...

I have a 172. On the petrol filler it says 95 octane. I have heard people with 182s say theirs says 98 octane. I don't know whether that's correct, and whether its just a matter of whether it depends on the country of sale. But when I heard it I wondered if Renault had gotten some of those...

Select the next lower gear.

This is the case with EVERY sort of car. In fact its the case for all uses of key-type locks. There are only a limited number of ways you can cut a key. If they sell more than that then necessarily lots of other peoples keys will fit your lock, and your key will fit lots of other peoples...

Its a strange question to be asking. Most people want taller gearing not shorter gearing. It makes us wonder if what you think you're asking is what we think you mean. Why do you want to do it?