Break-in controversy?

[Peskarik]

Here is a nice article:
http://www.mototuneusa.com/break_in_secrets.htm

But I remember TT was saying something like 0-300 miles = 2500RPM max...300-600 = 3500RPM max etc.

 

[Peskarik]

From another webpage:

Keep in mind that there really shouldn’t be any metal to metal contact happening within your engine, other than the rings to the cylinder walls. The rings are the ONLY things we are interested in breaking in or seating. What seats rings is cylinder pressure. Rings and pistons are designed so that cylinder pressure sneaks behind the compression rings and forces them out against the newly honed cylinder wall. Why do I mention this? Because I want you to take your warmed up car out on the road, find a nice straight stretch and do a couple of full-throttle runs in third or fourth gear from about 2500-5500 rpm. Each time you hit 5500-6000 rpm, snap your foot off the gas and let the car coast down to 2500 rpm while in gear, to pull high vacuum in the cylinders. Repeat this step about five times and you should have a nicely mated set of rings and cylinders. NOTE: When I say “full throttle”, I am referring to a normally aspirated engine. For a turbo or supercharged car, modulate the throttle to achieve about zero on your boost gauge, rather than full throttle. This would be roughly equivalent to full throttle in a normally aspirated car.
Take it home, recheck for leaks, make sure fans work, etc and then change the oil.


( http://www.flyinmiata.com/tech/breakin.php  )

[Teutonic_Tamer]

Both articles are from the US.

The US "know-it-alls" are extremely well known for ignoring both manufacturers instructions, and commonly established practices.

It was afterall, the yanks who seriously gave VW Audi products a bad name, by fcuking up the 1.8 turbo engines.  They were specifcally told to only use fully synthetic oils (to the relevent VW standards), but to leave the oil for 10k miles between changes.  The yanks said, hell-no, I aint gonna keep my oil for that long.  Instead, they used cheapo shyte mineral oil from their local WalMart (or wherever), and thought by changing it every 2,500 miles, it would be 4 times better for the engine than leaving fully synth oil for 10k miles.  What they didn't get, is that mineral oil cannot cope with the extreme heat of turbo bearings, the oil very rapidly broke down, forming solid carbon deposits, which then blocked the oil pick-up strainers and oil filters - causing engine failures from oil starvation!

Now, if you think that US bolloc&s is sound advice, then follow it - but my personal recommendation would be to stick with the manufacturers instructions for running in, and use the correct oil too! 

[Peskarik]

Both articles are from the US.

The US "know-it-alls" are extremely well known for ignoring both manufacturers instructions, and commonly established practices.

It was afterall, the yanks who seriously gave VW Audi products a bad name, by fcuking up the 1.8 turbo engines.  They were specifcally told to only use fully synthetic oils (to the relevent VW standards), but to leave the oil for 10k miles between changes.  The yanks said, hell-no, I aint gonna keep my oil for that long.  Instead, they used cheapo shyte mineral oil from their local WalMart (or wherever), and thought by changing it every 2,500 miles, it would be 4 times better for the engine than leaving fully synth oil for 10k miles.  What they didn't get, is that mineral oil cannot cope with the extreme heat of turbo bearings, the oil very rapidly broke down, forming solid carbon deposits, which then blocked the oil pick-up strainers and oil filters - causing engine failures from oil starvation!

Now, if you think that US bolloc&s is sound advice, then follow it - but my personal recommendation would be to stick with the manufacturers instructions for running in, and use the correct oil too! 

And he is back! 
No, I like the 0-300 = 2500, ... more, and that is what I will follow.
I wonder, is it good idea to change the oil after 1000-2000 miles? What do you think, TT?
P.S. Welcome back from holidays!

[p3eps]

TT actually had a schedule on here somewhere that he used for breaking in his car.
I can remember it exactly - but something like starting at 3000rpm and upping an extra 500rpm every 200 miles?!

[Peskarik]

TT actually had a schedule on here somewhere that he used for breaking in his car.
I can remember it exactly - but something like starting at 3000rpm and upping an extra 500rpm every 200 miles?!

Exactly.
I liked that schedule so much that I am going to steal it and use it. 

[Hurdy]

Btcha can't stick rigidly to it though

I had a few right foot involuntary twitch moments even though I swore blind that I would stick to the run in regime

[Peskarik]

Btcha can't stick rigidly to it though

I had a few right foot involuntary twitch moments even though I swore blind that I would stick to the run in regime

I have will of steel! 
But I will try to run in in the shortest possible time, even if it means long meaningless tours on A and B roads. 

[p3eps]

But I will try to run in in the shortest possible time, even if it means long meaningless tours on A and B roads. 

Exactly like me!  I'm going to make a huge effort to get my first 1000 miles out of the way as quickly as possible!!
I'm normally an 8000 miles per year type of driver... but it'll be 1000 in a week 

Do you know which post the schedule was in?!

[Hurdy]

Here you are

http://www.golfgtiforum.co.uk/index.php?topic=58268.0