I'm beginning to think this whole break-in period stuff
11-24-2001, 08:25 PM
#1
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I'm beginning to think this whole break-in period stuff
is simply poppy-****, or left over notions from the 50's and 60's.
Porsche, for example dynos every engine before mating it with the chassis. Popular belief is that the engine is broken in before the car leaves the factory. 20 minutes run time tops.
Further supporting my cases is the whole oil change thing, 50's thinking change your oil every 3000 miles. How is it the Europeans run about a 9,000 mile program? 15,000 mile on a Porsche.
Somebody is blowing smoke somewhere- who?
Porsche, for example dynos every engine before mating it with the chassis. Popular belief is that the engine is broken in before the car leaves the factory. 20 minutes run time tops.
Further supporting my cases is the whole oil change thing, 50's thinking change your oil every 3000 miles. How is it the Europeans run about a 9,000 mile program? 15,000 mile on a Porsche.
Somebody is blowing smoke somewhere- who?
11-24-2001, 09:13 PM
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I totally agree
1) THe car is under warranty...If it's gonna break, it will happen during the warranty. If it breaks after the warranty runs out, who cares...i will be driving my next audi.
2) About 6 mos ago, i went with my bro to pick up his 540i in munich. WIth the odomoeter reading "7" miles, we were travelling above 130mph...no worries then, no worries now.
simple enough.
2) About 6 mos ago, i went with my bro to pick up his 540i in munich. WIth the odomoeter reading "7" miles, we were travelling above 130mph...no worries then, no worries now.
simple enough.
11-25-2001, 07:19 AM
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I am mixed about it ...
On the oil change interval, I agree. I am comfortable with the 10k timeframe although I am running a 5k-6k interval on my 97 Jetta GLX.
I am careful about following the break-in directions though. I made the mistake with my Jetta of not following the directions. Now of course I understand that there are many variables but these are my findings.
My Jetta, I changed out to synthetic at 3k. I have a feeling the the rings did not seat properly as I consume a little oil (1qt/4k miles). As a point of reference, my 94 Passat GLX (which also has the VR6 engine) does not burn a drop of oil (with 185k miles I might add). I did follow the break in period as directed. Now this is not a real sample but the Jetta is the first car I did not follow carefully and it is the only one I have had that consumes oil (aside from my first car that I think was a two stroke engine it used so much oil).
I am careful about following the break-in directions though. I made the mistake with my Jetta of not following the directions. Now of course I understand that there are many variables but these are my findings.
My Jetta, I changed out to synthetic at 3k. I have a feeling the the rings did not seat properly as I consume a little oil (1qt/4k miles). As a point of reference, my 94 Passat GLX (which also has the VR6 engine) does not burn a drop of oil (with 185k miles I might add). I did follow the break in period as directed. Now this is not a real sample but the Jetta is the first car I did not follow carefully and it is the only one I have had that consumes oil (aside from my first car that I think was a two stroke engine it used so much oil).
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11-25-2001, 08:38 AM
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Re: I totally agree
You guys are Exhibits A & B on why many people are wary of buying off lease/ used cars (which may be abused b/c the owner doesn't care, they won't keep it past warranty). Not saying you guys are abusing yours, but there is a bit of an attitude in that kind of view (screw the next owner down the line if it breaks, I had my fun under warranty)...
There are some legit reasons for break in periods, and I'm not sure comparing the Porsche break in technique to any other mfr. is necessarily valid, given the limited numbers and higher stds. that Porsche tends to use.
The technique my Porsche tech friends & sales friends who've driven them in competition for years use, and which the Porsche factory uses, is --- when they're wringing out a new engine on, e.g., the Autobahn -- is to lift every time they go under a bridge, even at full throttle. The resulting vacuum sucks oil into the cylinders and keeps them well lubricated even when the new engine is running hard.
There are some legit reasons for break in periods, and I'm not sure comparing the Porsche break in technique to any other mfr. is necessarily valid, given the limited numbers and higher stds. that Porsche tends to use.
The technique my Porsche tech friends & sales friends who've driven them in competition for years use, and which the Porsche factory uses, is --- when they're wringing out a new engine on, e.g., the Autobahn -- is to lift every time they go under a bridge, even at full throttle. The resulting vacuum sucks oil into the cylinders and keeps them well lubricated even when the new engine is running hard.
11-25-2001, 09:03 AM
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Take the Porsche example....
While Porsche does have "hard use" break-in at the factory (couple mins engine dyno, plus a drive on the autobahn ---remember a 996 can to 110mph during owner break-in 
) I read on CFG's forum something about improperly broken-in GT3s producing up to 30hp less than their properly broken-in twins (under 4,200RPM for 1,000 miles) ... something to consider... personally, I'd stick with easy driving for 1,000 miles.
) I read on CFG's forum something about improperly broken-in GT3s producing up to 30hp less than their properly broken-in twins (under 4,200RPM for 1,000 miles) ... something to consider... personally, I'd stick with easy driving for 1,000 miles.