550 miles, finally pulled to 7.5k rpms

red6spd

I took it easy for the first 1k ish miles. But I did get on it a few times. All is good for now.

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2010 Base+Sport 6spd: Stillen G3, FI Non-Resonated CBE, FI Non-Resonated Test Pipes, UpRev Tuned, Custom 24R Oil Cooler, JDM Rear Fog-OEM Harness.
???Whp ???WTQ (Will find out come spring time)

Nitex

Drove it like i stole it from day 1. HP numbers are where they should be if not higher. Engines are broken in on the dyno prior to delivery. If anything heavy lug is much harder on your engine than a quick sprint to redline.

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2013 Drivers ED GTI | Stage 2 Unitronic

Baer383

Me too,a lot of people don't understand how refined engines are today,the only thing that really needs to be broken in are the rings.

How many of you guys went to the drags and see those guys tear a 8000hp engine down to the block hone it install new rings,bearing,gaskets then put it together fire up then go to the starting line only to run 3 seconds @ 300mph+.

So much for a slow easy break in.

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2013 ZL1

754 rwhp 747 rwtq

Red__Zed

To be fair, that's for a different purpose. My s2000 engine got a very hard break in, but the goal there was power.

Baer383

The purpose may be different but the result is the same "no easy break in for the rings to seat"if not then the top 2 compression rings would not have sealed properly to achieve 3sec 300mph.

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2013 ZL1

754 rwhp 747 rwtq

AllForTheCash

I agree. I'll continue to break in the engines slow, as always....Can't hurt

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2010 370z Brilliant Silver/Frost - Touring - Sport - Navigation - 6MT

Red__Zed

A lot of the benefit of a slow engine break in is actually allowing proper break in for the transmission and differential. The engine is generally well broken in from the factory. I give it a chance to the seat the rings properly with a couple pulls and engine braking, but after that, the car gets driven gently for 1200 miles or so, and then all fluids are changed.