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Old 26th September 2021, 18:32   #11
roverbarmy
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My wife's 1.2 Polo (triple engine non turbo) runs great and she has recently discovered that if you drop a gear or two and floor it, they sound great and go pretty quickly!!!
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Old 26th September 2021, 18:54   #12
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Originally Posted by roverbarmy View Post
My wife's 1.2 Polo (triple engine non turbo) runs great and she has recently discovered that if you drop a gear or two and floor it, they sound great and go pretty quickly!!!
I discovered this too with one of the fastest cars in the world a few years ago. A hired 3 pot Ibiza. Booting it, gave a sound that reminded me of a V6 albeit slightly higher pitched. Stands to reason I guess with the firing pattern - a castrated V6 lol.
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Old 26th September 2021, 19:46   #13
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Yes some of these modern engines in a lightweight shell are truly amazing, I had to drive an almost new Fiesta last year with a tiny turbo engine and was dreading it as I had to do several hundred miles. I arrived amazed at the cars ability and tiny fuel consumption.

My concern as an engineer is how long can an engine this small developing that much power last especially with the extended oil changes these modern cars are supposed to survive on?

My guess is the manufacturers dont care as long as they last the warranty period and once they are past that you will be spending your hard earned on keeping them going.

As much as fuel economy is important if you are going to have to fit a new or refurbished engine or turbo every 80k miles what is the point?
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Old 26th September 2021, 23:04   #14
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Quote:
Originally Posted by SCP440 View Post
Yes some of these modern engines in a lightweight shell are truly amazing, I had to drive an almost new Fiesta last year with a tiny turbo engine and was dreading it as I had to do several hundred miles. I arrived amazed at the cars ability and tiny fuel consumption.

My concern as an engineer is how long can an engine this small developing that much power last especially with the extended oil changes these modern cars are supposed to survive on?

My guess is the manufacturers dont care as long as they last the warranty period and once they are past that you will be spending your hard earned on keeping them going.

As much as fuel economy is important if you are going to have to fit a new or refurbished engine or turbo every 80k miles what is the point?
Advancement in engines and technology has moved on as each generation of cars develops over the years so a small engine that in the past would be deemed underpowered and kaput at 60k miles in years gone by is more than adequate to power today's cars and have longevity.
2 litre turbo engines of today can outperform the 6.3 and 7.2 V8 engines fitted to your Jensen which were the pinnacle in the 60's and 70's and provide triple the fuel consumption to boot.
Time and technology moves on and proof is in the pudding that these smaller engines are so far ahead of similar sized engines from a generation or two ago.
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Old 27th September 2021, 10:30   #15
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What did make a huge difference to engine life was when they stopped using piston rings that really pushed hard against the bore. So tight that you had to use piston ring clamps to have a chance of pushing them in.

Modern rings don't actually have much pressure on them , this was to reduce the internal fiction, and improve fuel consumption, but it also stopped bore wear. Also oils these days are in a totally different league to what we used to have. Like I said in an earlier post, there are guys on the citroen C1 Forum with over 200k on their little 1litre engines. A friend of mine has a Toyota yaris with 275k on it and it still runs fine.
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Old 27th September 2021, 10:56   #16
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I have never before know a Nissan Micra to stimulate so much interest and comment!
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Old 27th September 2021, 11:16   #17
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Quote:
Originally Posted by SCP440 View Post
Yes some of these modern engines in a lightweight shell are truly amazing, I had to drive an almost new Fiesta last year with a tiny turbo engine and was dreading it as I had to do several hundred miles. I arrived amazed at the cars ability and tiny fuel consumption.

My concern as an engineer is how long can an engine this small developing that much power last especially with the extended oil changes these modern cars are supposed to survive on?

My guess is the manufacturers don't care as long as they last the warranty period and once they are past that you will be spending your hard earned on keeping them going.

As much as fuel economy is important if you are going to have to fit a new or refurbished engine or turbo every 80k miles what is the point?
I was handed a Ford Fiesta Ecoboost as a loan car and was seriously impressed too. However, when I waxed lyrical at the garage while handing the car back, I was informed they had earned the nickname 'Ecobang' in the trade. As always there will be a bell curve with the outliers we all hear about. Mine needed two engines in warranty, mine blew up just out of warranty, mine has done 200k and is still going strong etc, etc.
The manufacturers are good at burying their bad statistics and we have to rely on motoring magazine surveys and forums like this to find out what to avoid.
I can certainly understand why those who can afford it just go on a PCP contract and swap the car every three years. I've spent my new car money on buying garage equipment to service my old fleet
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Old 27th September 2021, 11:37   #18
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Boy av things changed.

Iv had many hire cars. Th new then 1.5 dizzel Focus went great and did 74 mpg on none motorway holiday outings. A new Fiesta had me going arround bends with ease.

All these modern cars iv hired did put a big dint in my thoughts of th wobbly old 75. Butt after touring in it i found it was th best car for th job with a return of 42 mpg at around 85+ mph on th continent. Not bad for a big old bus.

For me id av th 75 for touring. But nothing else. Th compotition is way better. (Sorry nostalgist butt its true)

Lastly. theres a bike engine 1400 none turbo. It produces 210 HP. 0 to 62 around 2.6 secs (theoreticaly of 1.6 secs) Its bomb proof apparently....

Conclusion. Things av moved on considerably.
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Old 27th September 2021, 18:03   #19
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Quote:
Originally Posted by edwardmk View Post
I was handed a Ford Fiesta Ecoboost as a loan car and was seriously impressed too. However, when I waxed lyrical at the garage while handing the car back, I was informed they had earned the nickname 'Ecobang' in the trade. As always there will be a bell curve with the outliers we all hear about. Mine needed two engines in warranty, mine blew up just out of warranty, mine has done 200k and is still going strong etc, etc.
The manufacturers are good at burying their bad statistics and we have to rely on motoring magazine surveys and forums like this to find out what to avoid.
I can certainly understand why those who can afford it just go on a PCP contract and swap the car every three years. I've spent my new car money on buying garage equipment to service my old fleet
A good friend of mine used to work in a big Renault dealership a couple of years ago ( NOT A MECHANIC) he had been there a few weeks and asked why there were dozens of newish cars in the workshop car park not being worked on? He was told they were all waiting for new engines as there was a shortage, Renault kept that out of the news.

I agree on the tools, by the tool to do the job and you can do it again and again, pay some one to do the job and you will keep on paying.
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Old 28th September 2021, 11:07   #20
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Quote:
Originally Posted by edwardmk View Post
I was handed a Ford Fiesta Ecoboost as a loan car and was seriously impressed too. However, when I waxed lyrical at the garage while handing the car back, I was informed they had earned the nickname 'Ecobang' in the trade. As always there will be a bell curve with the outliers we all hear about. Mine needed two engines in warranty, mine blew up just out of warranty, mine has done 200k and is still going strong etc, etc.
The manufacturers are good at burying their bad statistics and we have to rely on motoring magazine surveys and forums like this to find out what to avoid.
I can certainly understand why those who can afford it just go on a PCP contract and swap the car every three years. I've spent my new car money on buying garage equipment to service my old fleet
Ah yes, the Ford 'Ecoboom' engine.

For those that aren't aware, it has a terrible reputation for cooling system issues leading to head gasket failure.

Sound familiar?
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