Should they have linnear power all the way to 6.5k or will there be a noticable die off after say 5200 rpm to the redline?

Before remap I found peak power clearly came in last couple thousand rpm up to redline.

Post remap dollops of torque from about 3-3.5k til 4.5k, then peak power til about 6.2k rpm. Since remap I've also noticed at about half way between 6 and 6.5k rpm I sometimes get a drop off that sorta feels like hitting the limiter, but I'm not.... maybe the DV?

But defo wouldnt imagine power dropping away as early as you have mentioned :confused:

If you are running the standard intake then it tends to get a bit breathless at those sort of RPM's

Best place to look at power curves for remapped TFSI's would be on JKM's website. We have had three rolling road days there in the past with plenty of mapped cars on the rollers so you should get a better picture, see this link

Since remap I've also noticed at about half way between 6 and 6.5k rpm I sometimes get a drop off that sorta feels like hitting the limiter, but I'm not.... maybe the DV?

This sounds very much like dreaded 'fuel cut' which has been discussed at length on here before (a quick search should highlight a few threads with more info), but I'd recomend that you consider uprating the fuel pump , this seems to cure it

Mine goes like hell but when it comes to approx 5400 rpm in third gear sometimes you feel like it eases off and sometimes 6k seems a little flat( not hugely but is noticable). I thought being a petrol and coming from a diesel this wouldn't be the case.

However because of it's huge torque if you do the gear changes at 5k it's not an issue as it's still fast. Thought it would be nice though to have power at 6k as it sounds good and if i wanted only 5k of revs why didn't i get a diesel LOL

So basically, the car should pull just as well at 6k as 5k?

You may also be experiencing fuel cuts.

The only way to solve this is to fit a High Volume Fuel pump offered by Autotech or KMD. i used to have similar symptons (more noticeable with Stage 2) however since fitting fuel pump i no longer have the symptoms.

Carl

Mater, what bhp are you running with the mods? driving the car this evening i didn't find it as noticable not until after 6k(between 6k and 6.5k a little), maybe because the car has a small Ko3 turbo might make it back off up top too.

That's my fuel cut problem sorted and i didn't even have to buy a pump, infact you don't need to buy a pump to sort the fuel cut issues as it's all in the software not the pump which we are led to believe. The OEM pump is good for 350bhp.

My tuner has done a lot of work and research on this and because of that i have no longer any fuel cuts.

That's my fuel cut problem sorted and i didn't even have to buy a pump, infact you don't need to buy a pump to sort the fuel cut issues as it's all in the software not the pump which we are led to believe. The OEM pump is good for 350bhp.

My tuner has done a lot of work and research on this and because of that i have no longer any fuel cuts.

Blimey you must have a very good tuner to achieve that in a few weeks, all the best known tuning houses in the world have been working on it for two years and couldn't do it!

Credit where credits due, round of applause for your tuner

Do you think you could log your fuel pressure actual vs requested for us to have a look at?

That's my fuel cut problem sorted and i didn't even have to buy a pump, infact you don't need to buy a pump to sort the fuel cut issues as it's all in the software not the pump which we are led to believe. The OEM pump is good for 350bhp.

My tuner has done a lot of work and research on this and because of that i have no longer any fuel cuts.

Interesting comment. Be very interested to hear that backed up with some detail.

Blimey you must have a very good tuner to achieve that in a few weeks, all the best known tuning houses in the world have been working on it for two years and couldn't do it!

Credit where credits due, round of applause for your tuner

I hear what you're saying and i'm a very sceptical person about a lot of things most of the time. All i do know is I was having the fuel cut issue with mine and since i have got this new "special map "uploaded i have had no cuts whatsoever full power to the redline, different car and even the engine sounds better at those rpm's..

I know of a tuning company that's at it probably the longest of the lot of them ( no names) that had to use additional hardware to make a TDI boost past 1.6bar when the setting was in the software all the time which was also discovered by the tuner in question i'm using. So in my experience big names doesn't mean much.

However, i still have an open mind about the pump and when i go further with mods it should tell for sure if a pump is needed, but all i know i don't have the cuts anymore after i was promised that it would cure it so fingers crossed.

What blocks will i log and what gear and RPM? Will try and get hold of vagcom tonight and log.

I have a 80kmh to 160kmh vid if anyone wants me to email it to them.

These ones Micky -

230,1,Rail Pressure,(specified)

230,2,Rail Pressure,(actual),Specification (Idle): 25.0 bar\nSpecification (Load): max. 110.0 bar

I'm not doubting you I'm just interested to see. I've seen a graph of a Leon Cupra so I know how they achieve it with that so I can compare the two.

See the attached file for more info with logging -

VAG-COM Logging and Graphing.pdf

Will the logs be able to tell if what i posted is possible?

It will certainly give us some more info if nothing else.

It might also be worth logging the CF's on a 4th gear pull from low RPM.

Would love to know why the Cupra R's can get 300bhp before fuel cut when the Octy's get it 240-250 upwards and it's the same pump.

It'll certainly be good to compare it with your log.

I have a 80kmh to 160kmh vid if anyone wants me to email it to them.

Can you send me it

Can you send me it

Pm me your email addy.

See here.

Joe@chippedire Done Some Tweaking Tonight - VAGdrivers.net - Sponsored by O'Reilly & Sons, Longford - 043 46321 - Main VW Dealers

I don't think, from what he's saying there he has achieved anything revolutionary. Normal max requested rail pressure is around 110 bar which can rise to 125 bar with remaps. AFAIK you can't go above the 125/130 bar limit as there is a physical relief valve.

As I understand it fuel cut isn't the engine running out of fuel as such but the ECU seeing that the rail pressure has fallen below an acceptable level and it adopts what's effectively a safe situation and controls the power.

I don't think, from what he's saying there he has achieved anything revolutionary. Normal max requested rail pressure is around 110 bar which can rise to 125 bar with remaps. AFAIK you can't go above the 125/130 bar limit as there is a physical relief valve.

As I understand it fuel cut isn't the engine running out of fuel as such but the ECU seeing that the rail pressure has fallen below an acceptable level and it adopts what's effectively a safe situation and controls the power.

Still though doesn't answer the question why the latest map i have uploaded cured my fuel cut issue especially when i was told it would before i did upload it.

You may not have been experiencing fuel cut.

I don't want this to turn into a heated discussion. Just for curiosity, what are the stage 2 cars and uprated pumps doing 60-100mph times? My times are averaging 6.9-7.0 secs with a boot full of tools and parts with just a map nothing else.

I'm going to test the theory soon as i'm getting a miltek etc so i'll be able to see what bhp i can get before the fuel cut as this has me interested and wondering also.

I don't think anyone is trying to start a heated discussion, not sure what gives you that impression.

I am genuinely interested to see the logs of your car.

When I said you may not have been experiencing fuel cut I'm simply saying that there are other things that can give similar symptoms. It was you, based on the idea proffered by another member, that said you had fuel cut. As I said before I know that the OEM intake restricts things as will the ECU if it doesn't like what it sees.

A 0-60 time isn't really a good measure of how good your car is but more of how good at standing starts you are.