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997 - Running in ?
- Thread starter Guest
- Start date
I didn't rev more than 3000 rpm for first 500 miles, and then max 5000 till 750 miles. No hard accelertion. Still not given it max yet as only 900 on the clock.
G
Dapster
New member
There are many schools of thought that say that once the car is up to temperature the BEST way to ensure engine longevity is to operate it at high engine speeds. What your OPC will say about that when you are trying to make an unrelated warranty claim is anyone's gues....
Ronnie C
New member
A lot of learned and informed P-Car enthusiasts say that it is NOT good to run in the engine too gently.
Up to you who you believe - Porsche or independents...
To quote one:
The motor should be allowed to fully warm up anytime, break in or not, but there is no point to limiting the revs on the engine (once it has been warmed up) during the break in period. The car should be driven throughout its rev range ESPECIALLY during the break in period. You should alternate between full throttle ons and full throttle off's immediately after. I think you are doing yourself a disservice if you follow the break in period that Porsche gives you. Below 4000rpm for 1000miles is ridiculous.
The only reason Porsche puts this in the manuals is to protect themselves just in case the tranny/drivetrain and the engine/brakes etc, don't work together in unison and an accident occurs. The break in period is for all these moving parts which have been manufactured stand alone on separate assembly lines and then mated with each other in the car.
Road and Track did an article on this back in the 80's and they found that cars that were broken in softly, never had the oomph compared to cars that were broken in with normal/spritied driving (of course after the engine was fully warmed up).
I've had 2 Porsche's and I broke them in normally, again once the engine was fully warmed up. Now I didn't drive around town in first gear redlining it all the time, but I drove it how I normally drove it - and I did not limit myself to 4000 rpms.
also, this is an interesting link >> http://www.mototuneusa.com/break_in_secrets.htm
smitty893
New member
Also not a good idea to go on a long run where your speed doesnt vary much or you are stuck in the same gear.
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