[justpete]

Originally Posted by hassmaschine

looks great! I wonder if it's possible to procure blank cams that haven't been ground at the factory.. somebody manufactures these for BMW!

If I understand the tech papers correctly the lobes are manufactured to shape and then hydroformed onto the hollow camshaft. Might be finish ground after that, dunno.

Originally Posted by hassmaschine

It would be nice if the torque curve to be expanded 10% to a redline of 7500-7700rpm. That would make a nice power difference.

I'm hoping to see a nice bump in low end torque but wouldn't trust increasing redline till we do the head work on it though, not sure the valvetrain can survive the increase in revs.

But once we do have the head race prepped, more or less, we'll do a race tune on the dyno using the same guy they use to tune their race cars, that'll be interesting.

[justpete]

Originally Posted by hassmaschine

ok, it shouldn't take long - I have a jig set up already to measure them.

if you can get me your stock DME file or even software version I should be able to find the locations. MSV80 is a little different but the values are all still there and they are the same as MSV70 since the cams are the same too.

I only have the file pulled for AA via the Simon tool, is that good enough?

[hassmaschine]

it should be fine, unless it's encrypted or something - but since it's a stock file, it should be clear.

[justpete]

Originally Posted by hassmaschine

it should be fine, unless it's encrypted or something - but since it's a stock file, it should be clear.

I can read it with a hex editor anyway but nothing's obvious. PM with an email and I'll ship it over so you can check it to see if it's clear.

[hassmaschine]

Originally Posted by justpete

I can read it with a hex editor anyway but nothing's obvious. PM with an email and I'll ship it over so you can check it to see if it's clear.

yeah it will look like greek unless you know specific values to search for.

[hassmaschine]

unfortunately the file is proprietary.

[justpete]

Originally Posted by hassmaschine

unfortunately the file is proprietary.

Figures

What do I need to provide exactly? Not sure how to go about getting anything else out of the system. Might ping AA and see if they can provide a different file format.

[hassmaschine]

I'd just need a stock original binary so I could tell you the addresses of the different settings.

If AA can do it, that would be great - but I don't want to do the leg work for them, lol.

[justpete]

Originally Posted by hassmaschine

I'd just need a stock original binary so I could tell you the addresses of the different settings.

If AA can do it, that would be great - but I don't want to do the leg work for them, lol.

I pinged Andrew at AA asking if they'd be willing to share a clear binary of the stock file. I don't expect they'd be willing to do that really but ya never know.

Alternately I asked him if they'd provide the cam parameters and locations but I doubt they'll do that either.

I'm also concerned about asking Todd for specific cam parameters as that's his IP he invested his time and money into developing. I just don't see him being willing to share the specifics in any way that would risk it becoming public.

So I asked Andrew if they'd be willing to work directly with Todd. They should be able to manage a way to share the information in a way that protects both their IP. This way AA would have a new tune to sell and Todd would have a way to enhance the performance of his cams and thus his sales. Sounds like a win-win for both to me, long shot though.

[Taskmaster]

Cannot. Wait.

[Volasko]

justpete for member of the year! Seriously it is awesome how much time and effort you have put into this. The N52 community salutes you!

[hassmaschine]

You should be able to get the lift & duration from any cam manufacturer - without knowing those parameters, it would be impossible to properly select an aftermarket cam.

[justpete]

Originally Posted by hassmaschine

You should be able to get the lift & duration from any cam manufacturer - without knowing those parameters, it would be impossible to properly select an aftermarket cam.

How many parameters does the DME use to define the cam profiles? Just wondering how detailed it gets.

[hassmaschine]

Lift, duration, intake ramp rate. It calculates overlap based on the above plus Vanos targets.

[justpete]

Originally Posted by hassmaschine

Lift, duration, intake ramp rate. It calculates overlap based on the above plus Vanos targets.

Those are the only parameters then? Cool.

[hassmaschine]

That i remember lol.

Duration and lift are most important. Ramp rate could probably be measured.

[sabastiaanm]

I don't know how I'm going to sleep tonight. This thread man!

[Mike.]

dynos today!

and I won my fan duel. Today is a good day so far.

[Taskmaster]

HHgggnnnnn

[Taskmaster]

PETE!

[justpete]

Very busy day since 6am, sorry. Car runs great, plenty of valve clearance. Torque up a bit thru 5Krpm, hp falls off approaching redline. AAbsolutely no surprise. Race exhaust install next Monday with before and after dynos scheduled.

[Taskmaster]

Originally Posted by justpete

Very busy day since 6am, sorry. Car runs great, plenty of valve clearance. Torque up a bit thru 5Krpm, hp falls off approaching redline. AAbsolutely no surprise. Race exhaust install next Monday with before and after dynos scheduled.

Numbers man, what are the numbers! (and I know I'm being annoying, but...I need to know!)