Break in tune advice

[____Kurt____]

Ok so I have looked and looked and I have yet to find the answers I'm looking for. I did reply this in the turbo section but I feel its more appropriate in the tuning section with its own post.

I'm finally buttoning up my motor (put on valve cover, some small things) and I have been doing alot of research about break in and I have come to the conclusion I'm using the motoman method. But I have a few questions about my particular setup.
The engine that is currently in the car is pretty much stock and I have dsm link v3 but it's tuned stock. The engine I'm putting into the car is fully built with a PTE6262, 280's, 1550cc injectors, jmf SMIM, and will be switching over to speed density. So with that information that will change a stock tune, I do understand it is harder to tune speed density. So my questions are, how should I setup my tune to break in the motor?

I have heard that you should have a special tune for break in because that is when the motor is most vulnerable and running too rich or too lean will have its worst consequences during this time. This is where a "Break in tune" comes to play, but I haven't found any information on them. I have a few more questions with what I plan on doing but lets start here.

 

[BrokenTsi]

Basically, on engine break in, you just want to try to avoid running rich conditions. When you're trying to break in the rings, its a good idea to avoid washing down the cylinders with fuel.

Dial in the injectors accordingly and get the car running. After a fresh engine build, I fire it up, keep the RPM's up and let it get to operating temp. Then I change the oil and retorque the head studs. Then I'll go drive it and give it some boost.

Its nearly impossible to tell you how to tune your car or what setting to use exactly. If you're unsure about speed density, keep it on a MAF for now then switch it later. But most importantly, do the break-in procedure and keep an eye on things.

 

[1fastlaser]

I do the above. Then go out and seat the rings on low boost change the oil again and pretty much call it good.

 

[sbiggi]

There is no "special" tune for breakin, you always want it tuned properly regardless.

I'd stay on the maf for breakin since out of the box the a/f will be close if you set the injectors correctly. Unless you are very familiar with SD and can get it dialed in quickly.

 

[LiquidX]

I would highly advise the use of the stock injectors and MAF since you do not have an accurate tune for either. You are going to have a high risk of washing out the cylinders.

 

[____Kurt____]

Thanks guys for the replies! I am currently running a GM MAF and stock injectors with a walbro. The WB dumps to a 10.0 afr at about 4k. So I'm going to hook up my FPR so I can get an accurate fuel pressure and plug it into DSMlink. If that doesn't change anything I will be adjusting the ecu's closed loop. Thanks guys and happy Thanksgiving

 

[____Kurt____]

Ok so I have been doing more fine tuning and research and I came across another question I'm unsure about.
I forgot to mention in the original post that I am running JE pistons .20 over at 8.5:1 .and I did say I will be breaking in the motor with the 6262 that I'm going to run. Since the compression ratio will be increased along with flow, should I do anything special with the tune to prepare the ecu to accommodate those changes? I will not be running the 14b because I already have te water ports welded up on the water pipe and it's all put together. Thank you in advance

 

[Jon91TSi]

Ok so I have been doing more fine tuning and research and I came across another question I'm unsure about.
I forgot to mention in the original post that I am running JE pistons .20 over at 8.5:1 .and I did say I will be breaking in the motor with the 6262 that I'm going to run. Since the compression ratio will be increased along with flow, should I do anything special with the tune to prepare the ecu to accommodate those changes? I will not be running the 14b because I already have te water ports welded up on the water pipe and it's all put together. Thank you in advance

Nothing special on the tune. Make sure the turbo is prelubed before you pop the car off the first time!

 

[____Kurt____]

Definitely lube up the turbo