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1.6 TDI mild tuning

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Hi guys,

 

im after a little bit of your knowledge today lol. So even though I told myself I wasn’t going to mess with the MK2 until I had done the valves on the MK1 I find myself already edging towards a remap lol.

 

Ive seems @AMD87 build and it’s very impressive but I’m not going that hard lol. What I would like to know is how much power can the 1.6 give as standard and will not impact on everyday use.

 

i want a map to make it just s little nice to drive, better throttle response nicer gear changes and abit more mpg. As well as deleting the EGR. I do want to delete the DPF as well but will this mean having to actually remove it from the car as well? 

you would see about 150bhp with that as thats when the turbo becomes the limiting factor. The creation motorsport short shifter does wonders for the gearchanges

11 hours ago, mikey362 said:

As well as deleting the EGR. I do want to delete the DPF as well but will this mean having to actually remove it from the car as well? 

 

Yes, you'd need to remove the DPF if you have a DPF delete performed, if not it'll just clog up. It's also suggest that the DPF is removed if you do a EGR delete as it can cause issues with DPF regens.

 

Just to point out, removing the DPF should cause your car to fail the MOT...

On ‎21‎/‎07‎/‎2019 at 10:09, mikey362 said:

What I would like to know is how much power can the 1.6 give as standard and will not impact on everyday use. 

 

i want a map to make it just s little nice to drive, better throttle response nicer gear changes and abit more mpg.

 

That's conflicting is it not? The faster you go the less mpg in theory.........

People dont drive in theory, just on the roads except when it was Eu testing and WLTP testing.  That was on rolling roads.

 

You can have a remap, more available BHP / Nm Torque than before,

but drive around at the same speed as you usually do just being able to overtaking quicker or getting up to speed quicker and then lift off and get better fuel consumption.

Or some can.

28 minutes ago, Roottootemoot said:

People dont drive in theory, just on the roads except when it was Eu testing and WLTP testing.  That was on rolling roads.

 

You can have a remap, more available BHP / Nm Torque than before,

but drive around at the same speed as you usually do just being able to overtaking quicker or getting up to speed quicker and then lift off and get better fuel consumption.

Or some can. 

 

So he remaps his car for better fuel efficiency but increases his bhp/torque, The car is now more efficient on fuel after the remap in normal driving circumstances agreed however the minute any gains in performance are made your losing that efficiency. It depends on the map, there is no fixed answer. More torque does not equal more mpg if there is more fuel used to get that torque. You will only see a benefit in MPG if the car is mapped to run leaner at certain RPM's .

Edited by Mickmartin

Give it laldy, get a shift on and then off the accelerator, similar to 'coasting function now'. look ahead and carry speed, works for hypermilers.

 

I disagree with some of your post and have had lots of remapped cars diesel and petrol.

Buy my own fuel, and know what MPG i get on trips and how long journeys take. 

 

Your remapped Twincharger is operating more efficiently i expect and you are now sitting a few hundred RPM lower at the Motorway Speed limits and getting better fuel consumption than you had with the factory engine management.

There i agree with generally what you have said.

 

The OP is asking about a 1.6TDI CR 105ps (minimum),  a nice remap to 130ps or so will be very nice.

Just like standard 130ps TDI's are.

Edited by Roottootemoot

2 hours ago, Mickmartin said:

 

That's conflicting is it not? The faster you go the less mpg in theory.........

Not true, more power and torque means less throttle to hold the same speed therefore less fuel used and better mpg. 

  • Author

I believe AMD is right. The added torque will help no end with all the hills round me as well lol 

 

 

1 hour ago, Roottootemoot said:

 

Your remapped Twincharger is operating more efficiently i expect and you are now sitting a few hundred RPM lower at the Motorway Speed limits and getting better fuel consumption than you had with the factory engine management.

There i agree with generally what you have said.

You cannot change the gearing with a remap so revs will always be the same for a given speed/gear.

@KeithCheetham

No they are not with a DSG / Twincharger and that is what @Mickmartin has.

Difference can be sitting at 2,600 rpm in standard map and 2,400 or less stage 1 or 2 at the same speed.

Then there is just turbo unless demand for supercharger to come in up to 3,500.

So easy to use less fuel with a remap.

 

Try a car with a switchable map and you will see.

 

 

post-86161-0-76977200-1455208089.jpg.9bc1ec752c512e3d0be36fd745fa93f1.jpg

Edited by Roottootemoot

I’ve got a remap, darkside intercooler, deleted EGR, using a egr simulator so no engine light. 

 

Remapped by Superchips and it’s running 150hp and about 260ft lbs.

 

Drives great. Can get a nice power gain with just a remap on this engine. 

 

 

A Revo stage 1 is quoting 125 hp to 129 hp and torque from 207lbft to 220lbft for the 1.6 TDI CR 105PS.

Price for Stage 1 is  £478.8 inc vat but sometimes they have a limited time discount sale on.

 

On the Revo site it says that the ECU does need removing to flash:-

 

All 1.6CR ECUs need to be removed from the vehicle and opened in order to flash with Revo Performance software.

Not all Revo dealers have the ability to unlock this ECU type, please speak to your local dealer for more details

15 minutes ago, AJR77 said:

A Revo stage 1 is quoting 125 hp to 129 hp and torque from 207lbft to 220lbft for the 1.6 TDI CR 105PS.

Price for Stage 1 is  £478.8 inc vat but sometimes they have a limited time discount sale on.

 

On the Revo site it says that the ECU does need removing to flash:-

 

All 1.6CR ECUs need to be removed from the vehicle and opened in order to flash with Revo Performance software.

Not all Revo dealers have the ability to unlock this ECU type, please speak to your local dealer for more details

Not much of a power gain as most 1.6 105’s dyno around 120bhp stock 

11 minutes ago, AMD87 said:

Not much of a power gain as most 1.6 105’s dyno around 120bhp stock 

I did like the 105hp version of the 1.6.

With 185lbft and manual gears it was a fun little car to drive.

I didn't know the quoted hp was so conservative but the power and low end torque felt just right for the Fabia and getting 638 miles from a tank was a bonus as well.

Edited by AJR77

25 minutes ago, AJR77 said:

I did like the 105hp version of the 1.6.

With 185lbft and manual gears it was a fun little car to drive.

I didn't know the quoted hp was so conservative but the power and low end torque felt just right for the Fabia and getting 638 miles from a tank was a bonus as well.

I’ve honestly never seen a 1.6 make quoted power. 

 

Standard at Awesome GTi it made 114bhp and 201ft lbs the day after I bought it (had 1 tank of vpower)

 

again standard on Ecotune’s dyno it made 119.7bhp and 220ft lbs and that was after 20k of vpower. 

 

My friends standard 1.6 105 made 119bhp and 225ft lbs on sos’s dyno. 

On 22/07/2019 at 15:20, Roottootemoot said:

@KeithCheetham

No they are not with a DSG / Twincharger and that is what @Mickmartin has.

Difference can be sitting at 2,600 rpm in standard map and 2,400 or less stage 1 or 2 at the same speed.

Then there is just turbo unless demand for supercharger to come in up to 3,500.

So easy to use less fuel with a remap.

 

Try a car with a switchable map and you will see.

 

 

 

So with a standard map at 70mph the ECU selects 6th gear and a stage 1 selects 7th gear, or the clutch slips at 70mph with a standard map if both maps select the same gear?

No they can be in 7th by 50 mph, sometimes even less. 

Might not drop down gears at 70 mph or more unless you boot it / kick down, manually change down.

 

Look at Dynos with before and afters and see the BHP / Nm torque curves at different RPM's.

Take a DQ200 DSG put it in S so that it is 6 gears not 7 and look where the Max BHP or Torque is when it is in 6 S.  You are not changing gear ratios.

Maybe hold it in 4th, or 5th and redline it, you are in the same 4th or 5th with Switchable map off or on.

Edited by Roottootemoot

In 6S, no matter what map you run the revs will be the same for a given speed, the HP/Torque curve shape has no effect.

 

If you say so, but you are wrong.

 

This S7 by the way is not really in S7 it is in D6, by the RPM, just shows that because put in S while on cruise control.

 

Standard cars can be in 7th to 127mph or so then drop to 6th, some early ones have 7th all the way to 140 mph, and remapped can change that, depends how hard you are accelerating or just increasing speed. Weight in car as well.

post-86161-0-15317300-1443462949.jpg

post-86161-0-76977200-1455208089.jpg.9bc1ec752c512e3d0be36fd745fa93f1.jpg

post-86161-0-69056200-1455208115.jpg.e412003802a1ed7210b03cfd56551d00.jpg

Edited by Roottootemoot

1st and 2nd photos show 2600rpm @ 120 and 118 k/h, 3rd photo shows 86k/h, 2600 x 86/120 = 1841rpm which is shown so exactly same gear. Need a photo of 120k/h @ 2400rpm as when I remapped my TDI the revs were the same @ 70mph whichever map I was running.

I have so many pictures from different Twinchargers on different maps. Basically they can show anything or nothing.

Anything below 3,500 rpm could be Supercharger & Turbo Charger or just Turbo and the RPM drops when no load on the engine, 

so if on the flat, incline or decline will me the RPM at the same speed differs.

It is not rocket science just driving and if you drive enough and pay attention you know what your car does.

 

Good then if your TDI was using the same rpm when doing 70 mph.  Surely you were not even using half the power available and the engine was not under much load. ie The map was not a factor.

If you were doing the same RPM @ 70 mph i take it you were saving no fuel at that speed and not benefiting anyway from having the map.

?

What rpm was your TDI at when doing 70mph?

post-86161-0-29125400-1445171898.jpg.91d9305b317f199c25a0d9dec1decff6.jpg

Edited by Roottootemoot

4 hours ago, Roottootemoot said:

 

 

4 hours ago, Roottootemoot said:

Anything below 3,500 rpm could be Supercharger & Turbo Charger or just Turbo and the RPM drops when no load on the engine, 

so if on the flat, incline or decline will me the RPM at the same speed differs.

 

Good then if your TDI was using the same rpm when doing 70 mph.  Surely you were not even using half the power available and the engine was not under much load. ie The map was not a factor.

If you were doing the same RPM @ 70 mph i take it you were saving no fuel at that speed and not benefiting anyway from having the map.

?

What rpm was your TDI at when doing 70mph?

 

The high and low speed gearbox shaft gears have a set number of teeth to give a specific speed per 1000 revs. At 70mph my car does 2500rpm uphill, downhill, on the flat whatever map is running - loading has nothing to do with it. A tuned map can be more efficient at 70mph as it may inject less fuel at a different timing duration, the turbo could boost more to give more efficient use of the fuel as well as more power. 70 mph uphill the engine is under load but either map can never change the rpm.

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