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-   991 GT3, GT3RS, GT2RS and 911R (https://rennlist.com/forums/991-gt3-gt3rs-gt2rs-and-911r-229/)
-   -   991.2 4L motor break in procedures (https://rennlist.com/forums/991-gt3-gt3rs-gt2rs-and-911r/1106837-991-2-4l-motor-break-in-procedures.html)

jjrho 10-22-2018 05:08 AM

991.2 4L motor break in procedures
 
Hi, have a .2 gt3 manual coming next week....

what is the recommended break in procedure, if any. ?? I figure first 1000 miles, take it easy..vary rpm, etc ...change brake in oil , then..... 9k it??

karimgt3 10-22-2018 06:43 AM

:grr:

cox1974 10-22-2018 07:07 AM

search.....pls

Kobalt 10-22-2018 07:51 AM

Look in the Owners Manual

porscheflat6 10-22-2018 08:25 AM

Let it warm up to full temperature and then drive it like you stole it to set the rings for track driving!

strettyend 10-22-2018 11:57 AM

Hammer on it

Spyerx 10-22-2018 12:00 PM

Drive the piss out of it. After its' warmed up.

Chris88 10-22-2018 12:17 PM

This is one of those things where if you ask 10 different people, you get 10 different answers. I followed the below on my GT3, figuring if anyone knows, Andreas Preuninger does. With 7,500 miles now on my car, I have not had to ad any oil. I change the oil between 5,000 and 6,000 miles.

>>>I know you're not looking for a discussion of best practices, but this is from Andreas Preuninger (head of GT cars) - thought this might be useful since this is sorta a Porsche recommendation:
"I videoed AP's presentation, and here is what he said:

“I can only tell you how I personally do it, or how we do it at Weissach – for the first 500 kilometres or 300 miles, we don’t drive that car car ever over 5000 rpm, never. From then on, every 200 kilometres, we up the rpms by 500, so we end up at 1300, 1400 kilometres at the threshold before we can really go full throttle, at 800 or 900 miles”

He then went on that this procedure was really important for the GT3 RS engines given their more "delicate" rings - and how important this break in really is for any of their engines.

Another point - he recommended to realign the car after 1000-1500 miles due to settling - especially since the tires are getting bigger and bigger, and more sensitive to changes. The RS apparently is really sensitive around this.

You figure the head of the GT program would give you the straight goods.<<<

Catorce 10-22-2018 12:26 PM

Start car
let it get warm
floor it for hours
let cool
park

Rinse, repeat.

FourT6and2 10-22-2018 03:03 PM

Sign title. Hand keys to next owner. Collect profit.

Buddhamonk 10-22-2018 03:31 PM

what's a break in procedure? oh that thing they do before they ship out the car...

gt3touring 10-22-2018 03:32 PM


Originally Posted by Chris88 (Post 15378198)
"I videoed AP's presentation, and here is what he said:

Does anyone have a link to this video? Couldn't find it on YouTube

catdog2 10-22-2018 05:03 PM

Yeah, have been following Herr Dr. Ing. Prof. AP's advice... now at 475 miles and just clipped 5900 rpm once or twice... of course after car warms up to operating temp. Also no big full throttle and varying rpms and no lugging. Also using pdk in manual not auto to avoid low rpm high load conditions....

It's a painfully slow process especially that now temps are getting in 30's precluding driving on those Michelins...

Still, what an amazing sound from the brap at engine start to the crackle/small explosion on upshifts .... nice beast, love the Ti exhaust in sport mode when it suddenly gets deep at around 4500 rpm...
I can only imagine what it's going to sound when hell breaks loose at above 8 krpm...
Nice car... I think It's a keepah!...
__________
2019 GT3RS / 2008 M6 / 2006 S550-4
2017 991.2C2S Gone

Mvez 10-22-2018 05:16 PM

I took it easy the first 300 miles to break in the clutch, then began ramping things up until I hit 900 miles and the track. I honestly didn't think about it too much. I've put 3000 miles on the car since December.

merc5326 10-22-2018 05:50 PM

Is this video on YouTube? If so, please share. Thank you!


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