[Rob@Cobb]

Wow, those are some colorful graphs. Let me make it a little easier to see the comparison between two cars on the same dyno.

*Edit* Both cars are manuals.

Both cars are stock other than the tunes:


Cheers,
Rob

[enrita]

quite a difference in AFR till 4500 rpm. COBB could you please add some info about this? why do you prefer go fatter straight away?

[themyst]

I want to know if the procede v5 car was auto or manual.

[Jeff@TopGearSolutions]

Better to be richer in the fattest torque area....

[scott135i]

How about, enough with dynos...... and let's see some REAL world on-road comparison?

With:

1. Stock vs stock (to make sure cars are equal)
2. Procede and/or JB4 vs Cobb (all else stock)

Assuming all are safe and reliable - then to me, real world performance is ALL that matters....

[**335i**]

Originally Posted by Rob@Cobb

Wow, those are some colorful graphs. Let me make it a little easier to see the comparison between two cars on the same dyno.

*Edit* Both cars are manuals.

Both cars are stock other than the tunes:


Cheers,
Rob

as i said its very similar

Originally Posted by themyst

I want to know if the procede v5 car was auto or manual.

look here

Originally Posted by Rob@Cobb

*Edit* Both cars are manuals.

[Mikey_Bo0sts]

Originally Posted by scott135i

How about, enough with dynos...... and let's see some REAL world on-road comparison?

With:

1. Stock vs stock (to make sure cars are equal)
2. Procede and/or JB4 vs Cobb (all else stock)

Assuming all are safe and reliable - then to me, real world performance is ALL that matters....

All cars are different , I had a nissan maxima with mods and my friend had the same exact maxima even same color and same exact mods and I was quicker by good 1 1.5 cars so Dyno graphs data logs etc is a better comparison right now

[**335i**]

Originally Posted by scott135i

How about, enough with dynos...... and let's see some REAL world on-road comparison?

With:

1. Stock vs stock (to make sure cars are equal)
2. Procede and/or JB4 vs Cobb (all else stock)

Assuming all are safe and reliable - then to me, real world performance is ALL that matters....

yes i would like to see that as well

[shockin330i]

Originally Posted by **335i**

as i said its very similar



look here

Wow, I have come to the conclusion that 90% of n54 owners here have never tuned any other car before.

There is more to "safe" than PSI. Timing, AFR, etc, all fall into play.

Yes the numbers may be the same but look where the peak numbers are. Peak tq on the Cobb are 1k rpms faster than the procede tune. Look how quick that ATF ratio drops. The ATF ratio is so smooth vs piggyback tunes.

What Shiv and Terry have done to the n54/n55 community is awesome. But just because running a certain boost isn't "safe" on a piggyback does not render it "unsafe" for a flash tune.

[enrita]

is not about the boost being safe or not since it is safe of tuned properly. The issue IMHO here is that a stock car runinng 15 psi will heatsoak extremely faster than a car running 13-13.5 psi.

[tscdennab]

I was banned for telling people how inappropriate the Procede AFR is... But I don't feel Cobb is perfect either. I think they don't take into account the particularities of the DI N54 engine and are tuning the AFRs like any other turbo car.

[Clap135]

Personally I rather be richer than leaner.

[Proper Motion LLC]

Originally Posted by Rob@Cobb

Wow, those are some colorful graphs. Let me make it a little easier to see the comparison between two cars on the same dyno.

*Edit* Both cars are manuals.

Both cars are stock other than the tunes:


Cheers,
Rob

Cobb Tune tapers less and is leaner at the same time after 6000 rpm? Would love to see timing logs vs other tunes

[themyst]

Like I asked before, I want to know if that Procede log is from a 6AT. The 6AT has more boost taper than the 6MT does. My power curve looked nothing like that on a 6MT + Procede.

[Jeff@TopGearSolutions]

Eitherway the new maps on Procede will be running richer IIRC?

Edit- looking at the latest graph alone, one COULD deduce the AFR doesnt make or break power on this particular vehicle.

By the time the cobb tune holds a little more power over the procede, it appears its simply a difference in boost and possibly a little ignition. Since we cant see that we dont know, but its clearly not AFR up top cause they are practically the same.

What you can possibly deduce, (again im just talking out loud here), is that AFR in mid-range although some people may think procede is too lean or cobb is too rich is the car still is responding well for both parties.

The torque curves are stable with no dips which means the car isnt knocking either for both parties.

I'd recommend the Procede to fatten up the mid-range just a bit, but i dont think 11's AFR is totally necessary.

All im saying is its INTERESTING, I'm not pointing fingers at all.

[**335i**]

Originally Posted by themyst

Like I asked before, I want to know if that Procede log is from a 6AT. The 6AT has more boost taper than the 6MT does. My power curve looked nothing like that on a 6MT + Procede.

cobb wrote that both cars are MANUALS

[scott135i]

Originally Posted by scott135i

How about, enough with dynos...... and let's see some REAL world on-road comparison?

With:

1. Stock vs stock (to make sure cars are equal)
2. Procede and/or JB4 vs Cobb (all else stock)

Assuming all are safe and reliable - then to me, real world performance is ALL that matters....

Originally Posted by Mikey_Bo0sts

All cars are different , I had a nissan maxima with mods and my friend had the same exact maxima even same color and same exact mods and I was quicker by good 1 1.5 cars so Dyno graphs data logs etc is a better comparison right now

Thats why you do STOCK vs STOCK first..... a baseline....

Install the tunes on each car and run. Then remove and install the tunes on the opposite car and run again.

In addition, swap the drivers for each combo....

Fill up at same gas station....

Done.