Going up to Scotland in next few days is it just me that doesn't like sitting at like 3000rpm feel like I'm just ringing it for like 8 hours

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Going up to Scotland in next few days is it just me that doesn't like sitting at like 3000rpm feel like I'm just ringing it for like 8 hours

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Do you mean wringing it? 3000rpm is nothing. The original 850cc Mini was turning over at 5000rom when at 70mph.

Yep that one hahha I just don't like the idea of it stress on it for such a long journey for little engine

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I did an 800-mile round trip (mostly motorway - M74, M6 & M1) - nae bother.

Sit back and enjoy the journey, your car certainly will.  500 miles of motorway will be much less wear and tear than normal urban driving.  If you've checked your levels and tyre pressures it will be a breeze.  At normal motorway speeds and a level road the car will be using only a fraction of its potential power output.  I regularly do 560 miles from the top end of Spain to the southern coast in my 1.2 TSi, cruise control set at 75 and she runs like a sowing machine with plenty of power for the inclines.  Have a good trip.

You would have to have a full weighed down car to sit at 3,000 rpm and not be doing over 80 mph.

You can break the speed limit on the motorway and be at 2,500 RPM & it is using just the Turbo,

and only Super charger on demand, if you floor it, or start to go up an incline.

(It is Turbo only when above 3,500 rpm)

 

a Twincharger can sit for hours over 100 mph at 4,000-4,500 rpm and the engine loves it.

But then you will be doing over 100 mph.

The engine is under more stress ticking over than sitting at 3k

I'm curious.

How is the engine less stressed at 3k than idle? If the engine is under most stress when beyond the maximum continuous engine speed then I would have thought that stress would rise non linearly from idle to this RPM. I can imagine that being stationary doesn't help cooling.

Also, doesn't the engine load define stress, on main bearings, crank, rods and pistons? Labouring an engine at low revs doesn't help much but the engine isn't under load at idle (apart from driving ancillaries).

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3000 is a nice amount. Not stressin in the slightest.

Maximum cruising revs is 2/3 of the rev range usually.

3k is fine. More than fine.

I commute on the motorways, & find the mpg drops off above 75 mph, due to the brick link aerodynamics

Not literally or actually under stress at idle,  just wasting fuel.

& not running all that efficiently.

 ie doing zero miles per gallon,  because you are going no place, but burning fuel per minute.

 

And at idle, when up to temperature, all cooling comes from a fan cooling radiators, and no through air from the front grill

because the car is going forward.

 

Petrol cars even diesel cars are designed to run happily at Cruising Speeds.

Even some City cars sit perfectly well at uk NSL's.

 

PS.

A Yeti is Brick like, a Citigo is Lego Brick like, 

a Fabia Mk2 Facelift is what a Fabia has pretty much been like since the first Fabia in 1999,

just a 5 door family hatch and it cuts through the air like other 5 door family hatches.

Fabias are narrow, sit low enough to the ground, and have less frontal area in than many others cars with 

little more interior space, but which are physically bigger and heavier.

 

PPS

Brick like is good if there is a tail wind and is helping blow you along.

At idle the engine will run with low oil pressure, with it running at its least efficient state. At 3k it will b running with high oil pressure and in its most efficient state

Cheers for answers.

I was just curious about engine stresses, as I said. Fuel consumption is another subject!

Just as the engine is designed to run at 3k all day, it should be happy to idle for extended periods, too, without any oil starvation due to lower oil pressure.

These days, unless in top, I tend to drive without really getting above 2000 rpm unless changing from 3rd to 5th. With the tsi, there is plenty of torque down low so less need to wind it up (IMO).

I've heard that during the first few 1000 miles of an engine life, it should be driven through the rev range but not at high revs for too long, presumably to allow the rings/bores to bed in using the full stroke. But after that it is less important.

What's the thought on this?

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Going up to Scotland in next few days is it just me that doesn't like sitting at like 3000rpm feel like I'm just ringing it for like 8 hours

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8hrs north of Doncaster? Or is that the round trip? 

<SNIP>

I've heard that during the first few 1000 miles of an engine life, it should be driven through the rev range but not at high revs for too long, presumably to allow the rings/bores to bed in using the full stroke. But after that it is less important.

<SNIP>

 

Unless the Big end, Crankshaft or Con-rod break, I doubt your engine would ever run at anything other than "full stroke".

 

The AA advise:

• Try to avoid harsh acceleration.
• Stick to a 3000 rpm limit for the first 500-600 miles and then increase the limit to around 4000 rpm. Again, revs should regularly reach this limit.
• Avoid labouring the engine – by changing up too early for example.

Sounds sensible to me.

 

I believe that Skoda and people here suggest that you should ALWAYS avoid high engine revolutions, full throttle and high engine loads as long as the engine has not yet reached its normal operating temperature - i.e. at least 80°C. Again, sounds like sensible advice.

Cheers for answers.

I was just curious about engine stresses, as I said. Fuel consumption is another subject!

Just as the engine is designed to run at 3k all day, it should be happy to idle for extended periods, too, without any oil starvation due to lower oil pressure.

These days, unless in top, I tend to drive without really getting above 2000 rpm unless changing from 3rd to 5th. With the tsi, there is plenty of torque down low so less need to wind it up (IMO).

I've heard that during the first few 1000 miles of an engine life, it should be driven through the rev range but not at high revs for too long, presumably to allow the rings/bores to bed in using the full stroke. But after that it is less important.

What's the thought on this?

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Depends who you listen to regarding running in.

I do personally run them in. Taking it steady, not high reving and slowly building it up as you get closer to 1k. Also been told that leaving the engine at a set rpm whilst running in is a bad idea.

However.. Some folk seem to think that engines these days are engineered to such a high tolerance that you shouldnt need to run them in as such, and high temps helps the piston rings seal against the barrel better.

Im always really careful with my engines until theyve got up to temperature properly.

8hrs north of Doncaster? Or is that the round trip?

That's just to where I'm going roughly 8 hours just north of Aberdeen

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Hopefully not Peterheid !

Unless the Big end, Crankshaft or Con-rod break, I doubt your engine would ever run at anything other than "full stroke".

The AA advise:

• Try to avoid harsh acceleration.
• Stick to a 3000 rpm limit for the first 500-600 miles and then increase the limit to around 4000 rpm. Again, revs should regularly reach this limit.
• Avoid labouring the engine – by changing up too early for example.

Sounds sensible to me.

I believe that Skoda and people here suggest that you should ALWAYS avoid high engine revolutions, full throttle and high engine loads as long as the engine has not yet reached its normal operating temperature - i.e. at least 80°C. Again, sounds like sensible advice.

The reason for this is, a long time ago, someone I know bought a Mk1 escort off an old guy. I'd covered about 50k but it was doddering about miles. On the way back from collection, it'd had an italian tune up of the highest order and then a loss of power and lots of blue smoke... Removal of the head showed a coke ring in each bore and a some ring damage.

That's how it was recounted to me anyway!

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Grant,

Braw up to The Broch.   

Or are you going Golfing at Mr. Trumps 20?

 

Give me a shout before you are heading up if you want a wee chat & coffee at McD or KFC just at the side of the A90. (Forfar)

 

You will not be doing 3,000 rpm much which ever way you head, Edinburgh or Glasgow to Perth and then Perth to Aberdeen.

This is Average and fixed camera central.

 

george

 

http://trafficscotland.org

http://trafficscotland.org/livetrafficcameras

The reason for this is, a long time ago, someone I know bought a Mk1 escort off an old guy. I'd covered about 50k but it was doddering about miles. On the way back from collection, it'd had an italian tune up of the highest order and then a loss of power and lots of blue smoke... Removal of the head showed a coke ring in each bore and a some ring damage.

That's how it was recounted to me anyway!

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Engineering has come on a long way though mate (: