Engine Sizes

On a similar subject what is the average engine size sold around 1990 and today? Was having this discussion a while ago with a friend and I suggested (completely without evidence) that the average engine on the road today was around 2L.
 
DAIR said:
Yet its perfectly fine to restrict small vans?
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I wish they'd tell the drivers of these vans that they've done it as too many seem to think they're in Wacky Races round here.

DAIR said:
lol so then what of your average driver?

So you've said it would be dangerous to limit to 70 incase one needed to overtake. So why not raise the limit to around 80 or 90. No car needs to go above 140
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Alternatively why have a fixed limit in cars which could almost certainly be circumvented and serves no purpose other than to make it more unsafe? That's without getting started on the prospects of retro-fitting it to every car in the UK.

If you're going to have the speed limits as they are then what is wrong with simply fining or otherwise punishing people who break them - they've chosen to speed and they should take the consequences such as they are. The argument about whether the speed limits are correct at the moment is another subject.

//edit And limiting cars to 70mph or even 80-90mph is unlikely to help with the vast majority of accidents involving pedestrians as they're almost certainly going to be in towns with limits of 20/30/40 and the limiter wouldn't stop people using inappropriate speeds there.
 
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Amp34 said:
On a similar subject what is the average engine size sold around 1990 and today? Was having this discussion a while ago with a friend and I suggested (completely without evidence) that the average engine on the road today was around 2L.
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Id put the avg size in the '90s at around 2litres.
 
Simon said:
The 350Z engine started off as a Renault engine
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Are you sure, I thought it was a higher capacity version of a Nissan VQ30DE unit that Nissan used way before the Renault partnership.

I don't see a problem with car makers down sizing hot hatches etc, its mainly done for emissions more than anything, most manufacturers will always make a v6 or v8 for top end models anyway.
 
Amp34 said:
On a similar subject what is the average engine size sold around 1990 and today? Was having this discussion a while ago with a friend and I suggested (completely without evidence) that the average engine on the road today was around 2L.
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I would guess that the average size today is definitely less than 2.0L.

Tomorrow on your way to work, count the number of hatchbacks and probably 1.9TDis. Even those newish A5s that the reps drive are mostly 2.0T or TD.
 
beermonster said:
Are you sure, I thought it was a higher capacity version of a Nissan VQ30DE unit that Nissan used way before the Renault partnership.

I don't see a problem with car makers down sizing hot hatches etc, its mainly done for emissions more than anything, most manufacturers will always make a v6 or v8 for top end models anyway.
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I think you are right, apparently developed by Nismo and had jack all to do with Renault.

Base design appears to go back to the old Fairlady.
 
Robbie G said:
I would guess that the average size today is definitely less than 2.0L.

Tomorrow on your way to work, count the number of hatchbacks and probably 1.9TDis. Even those newish A5s that the reps drive are mostly 2.0T or TD.
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Mostly 2.0 TDI, but they all think they have the power of the 2.0 T :D
 
Nickg said:
But take Ford for example, after the Cossies and the RS Turbo escorts they went for a reasonable amount of time before they introduced the turbo back into the range proper. And it still hasnt filtered down to the fiesta, or filtered its was up to the Mondeo, which had to make do with one of those V6's i talked about instead of continuing development of those turbos that were already in the market place.

GRRR!
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The Mk4 Mondeo was available with the 2.5T when launched and the recent face lift version has 1.6 and 2.0 Ecoboost engines, both turbocharged.
 
http://events.imeche.org/EventView.aspx?EventID=1000

This is a lecture headed by the IMechE to do with engine downsizing. It's costs money to attend but the minutes of the lecture and supporting notes/slides/presentations are usually posted on the website shortly after the event.


Anyway as much as I hate to say it but engine downsizing is going to become more and more mainstream. It'll reduce manufacturing costs, reduce emissions and increase the efficiencies of an engine.
 
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Many of the bigger cars in north america are using a turbo V6 instead of a v8. Quite a number of the SUV's are now using 4 pot engines.

I've not really driven a 1.4 / 1.6 petrol turbo. I'm not sure if I'd like it tbh. My 2.0l is fine.
 
Simon said:
Sorry I mean EURO 2.
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But the 2 litre focus engine is apparently 209g per kg co2 and the sr20 det 230 so only 10 percent more but about 50percent more power so that makes no sense to just obsolete a more powerful engine that releases more co2.

Also there are Ferrari that emit more co2 but they still make engines. Heck the Mazda mps produces 230 g p kg too but that engine is still made or was in 2006 so this in no way explains why engines like sr20det got canned when they did.
 
EURO emission standards have nothing to do with CO2, they are actual pollution emission standards for things like CO and NOx. EU5 will see the big awakening to AdBlu/urea on diesels.

Evidently the CO2 brainwashing is working :p
 
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