correct school boy but you try telling your pupils that as they thing revs=power
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\"a little man in a big world/\"
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Yes, people my age seem to think that although they have a 1.2 corsa that they can outdrive and outperform most vehicles on the road. I also find it funny when I see them pull away from the lights everytime they wear 3000 miles off the tires.
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Modern multivalve petrol engines are designed to be revved, and as long as they are properly warm, it does no harm.
I regularly take my Impreza Turbo to the red line, and it is running better than ever at 102k miles.
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Modern multivalve petrol engines are designed to be revved, and as long as they are properly warm, it does no harm.
The higher the engine speed the greater are the forces on all moving components, and wear caused by friction is greater.
I learned my lesson in my Chamois which ended up needing new valves after 25000 miles because the original valves had stretched to the point where it was no longer possible to achieve the specified valve clearances.
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L\'escargot.
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Last week there was a story of a rented Citroen in which all the plastics in the engine compartment had melted. The story went that an American woman had hired it, put it into 1st gear, then driven 150 kilometers in 1st.
HJ
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My Corsa 1.2 16v regularly sees 6500rpm and has never run better, whereas on the other hand my brothers Escort 1.8 just gets pootled about in and runs comparatively roughly. That might just be an Escort thing though ;-)
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Funny that this topic should come up as only yesterday I was thinking that my Multitronic A4 (petrol) rarely goes above 3000. In the interests of good practice I occasionally take it to 5 or 6 to keep it in good order. Continually going to the red line is a topic for the mechanical sympathy thread and in my opinion is something you may do for fun mut not for longevity.
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The cars RF drives ahve all been new or low mileage.
They have all, without exception, had the accelerator pushed till the engine stops going faster than it did and then a gear change is made. I dont care where the red line is, the point where it stops going like a train is the important bit as this is where all future gear changes are made during enthusiastic motoring. In thruth this means all of them get thrashed to within an inch of their lives on a regular basis
All RFs cars have given of their maximum, all have been perky throught their lives with me, used minimum oil, given good mpg when driven gently, etc etc
Longevity? Always got rid of before 60/70k miles, really dont care what the future owner gets, but based on how the engines were when they left I suspect they will get a good un.
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TourVanMan TM < Ex RF >
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Last week there was a story of a rented Citroen in which all the plastics in the engine compartment had melted. The story went that an American woman had hired it, put it into 1st gear, then driven 150 kilometers in 1st.
What was wrong with the car that it didn't just change gear itself? Was it broken? ;)
Plenty of Americans seem to have never encountered a "stick shift", so I'm surprised that doesn't happen more often.
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Depends on the gear that I am in. In the Alfa I regularly get near the red line in first and second. The engine may be screaming, but still sounds good.
The Mondeo TDCi sounds rough anything over 3500rpm
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The Mondeo TDCi sounds rough anything over 3500rpm
Wouldn't agree re mine, it zings to 4500 if required though pulls like a train between 1500 and 3000, 3000 = over 90 so it does not often see the other side of 3000. The ZRX1100 has not seem any revs at all yet this year, that may change this weekend, it runs to around 12000 though again is stonking lower down so 7500 - 8000 is max in every day use.
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gear changes at or below 3,000 revs and sits at about 3,500 on the motorway, dad has occasionally taken it up far to about 5,000 i think.
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Temporarily not a student, where did the time go???
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