Break-In Period Driving Habits

dethred

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Don't they benchmark these motors? Even if not, I'd avoid launching before the break in period ends. Differentials don't take kindly to being abused early (I broke 3 diffs on my Viper that way, and those can hold 2500whp).




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Escapist

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Just think of all those test drives people do and hammer on it with 6, 10, 20 miles on the ODO while most likely not even up to operating temp.
This is why I try to buy my cars fresh off the transporter. Imho dealerships shouldn't allow test drives on cars like this anyway.
 

SupraMKV2.0

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This is why I try to buy my cars fresh off the transporter. Imho dealerships shouldn't allow test drives on cars like this anyway.
It’s a double-edged sword. As a consumer, I wouldn’t purchase a niche car or sports car without driving it first. There’s always been two train’s of thought regarding break-in;

1) what’s stated in the manual...which will alway error on the side of caution.

2) A harder break-in. Components seat due to heating and cooling and the ECM learns driving habits, etc.

Everyone is different and I don’t have an opinion either way. Break in is also much more than just engine; brakes need to bed, tires need approximately 500 miles alone to reach peak performance capabilities, suspension bushings need to wear in a bit, etc.
 

SupraGR21

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Break in period? 😂 But that engine noise! I tried so hard on mine but I occasionally sent it and finally got on it around 500 miles. Engines need some stress for the heat to set it all in(of course not toooo hard)
 

Axix23

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Before the PDI, isn't the car in transport mode where you can go above a certain rpm/speed?

I am asking because I seen brand new A90's come in at 15-22 miles and they haven't been PDI yet... Anybody can explain that? On where the miles came from? Cars are all in plastic and protective stuff all over it..
 

XtremeMaC

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Magna may have a short track where they drive each vehicle... I personally know few OE's do, but probably not for 20 miles...
They get shipped to Toyota's Indiana plant. They may have taken it out of transpo mode and verified/corrected a few things...then put it back...
I think mine came in at 7 miles. Another 7 and we're at your low threshold...
 

gtshnzr

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Magna may have a short track where they drive each vehicle... I personally know few OE's do, but probably not for 20 miles...
They get shipped to Toyota's Indiana plant. They may have taken it out of transpo mode and verified/corrected a few things...then put it back...
I think mine came in at 7 miles. Another 7 and we're at your low threshold...
Mine came in at 14 miles ...
 

Axix23

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Mine came in at 14 miles ...
Did yours have all protective plastic and cardboard in the interior and etc? I just find it’s weird these cars come in at different miles but doesn’t like they were driven or used as demo.
 

gtshnzr

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Did yours have all protective plastic and cardboard in the interior and etc? I just find it’s weird these cars come in at different miles but doesn’t like they were driven or used as demo.
I picked mine up the day after it landed at the dealer. If they took it out on a road test after PDI, that’s OK I guess. How much damage can they really do in 10 or less? HAH!
 

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