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Turbo Swap Choices for EA211 1.2 TSI

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In the video bellow it shows an adjustment of the wastegate actuator from a different turbo model. The rod can be turned to loosen it or tighten it, and after that it has a jam nut that locks the position. This changes the wastegate door position and also some voltage that can be read with VCDS for the closed and open position.

The turbo for our cars has a different kind of wastegate rod that doesn't allow any adjustment... from what i saw in the pictures.... That's why I said an adaptation is not requiered since we can't adjust anything anyway. And I guess that's why your turbo works just like that, plug and play😀 and this is good news.

If someone has more info about this please share it, thank you!

 

https://www.youtube.com/watch?v=sne8-9svmN0

  • 4 weeks later...
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  • FabiaGonzales
    FabiaGonzales

    What kind of gains can i get? The lower power 1.4 TSI (122/125PS models) use the same size turbo as the 1.2 TSI, only the 140/150PS variants use a larger turbo. Given that with no other mods

  • Monkey_Dan
    Monkey_Dan

    Little update with my build, I folded and ordered an rtmg turbo and carbon intake. I fitted the turbo last week and tomorrow I'm taking a trip back to my tuner to get a cuatom map for it. Was at 183bh

  • Everything working perfect, your post on how to do it helped massive amounts. Had a little coolant leak after I fitted it but soon fixed that. Topped it up with water going to get some coolant in the

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I'm sad I crashed mine before getting the new turbo mapped

1 hour ago, cm9876 said:

I'm sad I crashed mine before getting the new turbo mapped

 

Aw man that sucks, hope you're OK!

Edited by Monkey_Dan

  • 2 weeks later...

Fitted my 1.4 turbo today, definitely more powerful compared to stock but doesn't feel as powerful as when I had the racechip on. The racechip is long gone now and the planned remap should truly transform the power output.

Only thing I've noticed is that at stand still in neutral it will only rev to 4k, and as it hits 4k the forge dump valve goes off. It seems to drive fine though and pulls through and past 4k rpm. Is this normal?

  • Author
2 hours ago, Monkey_Dan said:

Fitted my 1.4 turbo today, definitely more powerful compared to stock but doesn't feel as powerful as when I had the racechip on. The racechip is long gone now and the planned remap should truly transform the power output.

Only thing I've noticed is that at stand still in neutral it will only rev to 4k, and as it hits 4k the forge dump valve goes off. It seems to drive fine though and pulls through and past 4k rpm. Is this normal?


Yeah that's the soft limiter, can't rev past 4k at standstill. It also serves as a kind-of launch control, if you time it right as its about to hit 4k you can get a launch on full boost. Once it hits the limiter though it vents it all and it's not so good

36 minutes ago, FabiaGonzales said:


Yeah that's the soft limiter, can't rev past 4k at standstill. It also serves as a kind-of launch control, if you time it right as its about to hit 4k you can get a launch on full boost. Once it hits the limiter though it vents it all and it's not so good

Cheers

  • 2 weeks later...
  • Author

My remap is finally booked in for the 29th of this month, with ADEdmundson, i'll update with results and dyno pics on the day, hype!!

Expecting somewhere around 170bhp and 240nm torque.

5 minutes ago, FabiaGonzales said:

My remap is finally booked in for the 29th of this month, with ADEdmundson, i'll update with results and dyno pics on the day, hype!!

Expecting somewhere around 170bhp and 240nm torque.

Awesome, mine is booked in on 5th October with Road Rage Performance. Be good to see the results. Remind me, what other performance mods you've got

  • Author
30 minutes ago, Monkey_Dan said:

Awesome, mine is booked in on 5th October with Road Rage Performance. Be good to see the results. Remind me, what other performance mods you've got


None 😂 just the turbo swap, i'm looking at having a custom silicon hose built to replace the stock airbox-turbo pipes that have sound dampening stuff in them though. Looking at maybe having the secondary cat removed too.

 

I've got a front suspension rebuild due, where i'll be putting some 312mm big brakes on from a polo gti that ive had for about a year.

1 hour ago, FabiaGonzales said:


None 😂 just the turbo swap, i'm looking at having a custom silicon hose built to replace the stock airbox-turbo pipes that have sound dampening stuff in them though. Looking at maybe having the secondary cat removed too.

 

I've got a front suspension rebuild due, where i'll be putting some 312mm big brakes on from a polo gti that ive had for about a year.

Do you have the 288mm discs at the moment? I got mk1 audi tt calipers, carriers and discs, dust covers but later found out that apparently the calipers are the same. There are updated calipers from a polo, is that what you have?

I'm waiting for delivery, also waiting on B8 shocks for the front (rears are in my garage), whiteline arb. Been eying up some seats, I'd really like S1 seats but want to keep airbag functionality etc

  • Author
7 minutes ago, Monkey_Dan said:

Do you have the 288mm discs at the moment? I got mk1 audi tt calipers, carriers and discs, dust covers but later found out that apparently the calipers are the same. There are updated calipers from a polo, is that what you have?

I'm waiting for delivery, also waiting on B8 shocks for the front (rears are in my garage), whiteline arb. Been eying up some seats, I'd really like S1 seats but want to keep airbag functionality etc

 

I have 256mm discs currently, with the carrier built into the hub, i've a dodgey wheel bearing, so i'm going to build a whole new knuckle/hub and bearing assembly for each side, and refresh shock top mounts and ARB bushes and any other parts that need it at the same time.

As basically nothing from the 256mm brakes is compatible, i bought a whole set of polo gti front calipers and carriers, they came with some nasty looking old pads in there and took a bit of cleaning up. I'll be doing a "refurb" on them by putting new guide pins, grease boots and dust caps in to make sure they're all good to go.

I'm almost considering having them professionally refurbed, stripped and repainted, not sure yet though - they're already painted red, but are a bit scuffed around the edges.

 

If you have 288mm discs, you just need the carrier bracket from the polo gti (safest bet, any other is a risk as the polo gti is a 100% fitment guaranteed), even the pads are fine too, though it's recommended to get matching new set of pads and discs at the same time.

I'm not sure if i'm going to bother with dust covers (if i do, they'll be polo gti ones), what benefits do they offer over not having them?

 

I've been keeping an eye out for the all black/red monte carlo seats (not the red/white/black ones). They should drop in fine and maintain airbag functionality. S1 seats should work too but may require repinning/rewiring connectors.

If i'm feeling extra brave, i might look at a black head-liner, but f*** knows how i'd replace that!

Which gen polo GTI is it?

I've also got a Friedrich Motorsport cat-back system coming. I've gone with the hidden tip option so I don't need to cut the bumper

  • Author
3 hours ago, Monkey_Dan said:

Which gen polo GTI is it?

I've also got a Friedrich Motorsport cat-back system coming. I've gone with the hidden tip option so I don't need to cut the bumper


Polo 6R/6C so MK5 i believe.

  • 2 weeks later...

@FabiaGonzales if you dont mind me asking, what made you go with ADE instead of JBS?

I ask because I really like the map JBS did on my Fabia, but to be fair I dont know any work done by ADE... 

37 minutes ago, Fab1493 said:

@FabiaGonzales if you dont mind me asking, what made you go with ADE instead of JBS?

I ask because I really like the map JBS did on my Fabia, but to be fair I dont know any work done by ADE... 

 

 

ADE worked alot on @AMD87 1.6tdi big turbo build! Very reputable tuner. 

13 minutes ago, JGrindel said:

 

 

ADE worked alot on @AMD87 1.6tdi big turbo build! Very reputable tuner. 

I had no idea!! That is amazing!

46 minutes ago, Fab1493 said:

I had no idea!! That is amazing!

They also do a lot of 8-9 second drag cars. 

8 hours ago, AMD87 said:

They also do a lot of 8-9 second drag cars. 

WOW! Sounds like they're the guys to go to..

  • 2 weeks later...

Update on 1.2tsi turbo swap to the 1.4 unit and remap - full update at the end of the day.
Just dropped my car off at Roadrageperformance.co.uk for them to work on today. 1st run result with no optimisation was 126bhp, mods are MST intake, forge BOV, APR coil packs, NGK platinum plugs and of course the turbo upgrade.

  • Author
2 hours ago, Monkey_Dan said:

Update on 1.2tsi turbo swap to the 1.4 unit and remap - full update at the end of the day.
Just dropped my car off at Roadrageperformance.co.uk for them to work on today. 1st run result with no optimisation was 126bhp, mods are MST intake, forge BOV, APR coil packs, NGK platinum plugs and of course the turbo upgrade.

 

Yours is the 110ps version? Mine was making 95ish standard without any mods at all and it's got 70,000 miles. Not too bad :D

 

It'll be exciting to see what you get out of yours, if you can a graph pic would be nice too :D

Update- On my way to pick her up, headlines are; Stock 124Bhp 224nm - Tuned 177Bhp 336Nm.

DSG shift speed upped and clutch clamp pressures and launch mode added 😎

  • Author
5 hours ago, Monkey_Dan said:

Update- On my way to pick her up, headlines are; Stock 124Bhp 224nm - Tuned 177Bhp 336Nm.

DSG shift speed upped and clutch clamp pressures and launch mode added 😎

 

 

Was it mapped beforehand? Those stock numbers look suspicously stage-1 like!

 

Have you got a graph to see the torque curve? From that much peak torque (same as what mine made in testing) it should be carrying through much closer toward 200bhp.

 

I have this graph of a run whilst trying to eliminate the wierd throttle bug, perhaps yours has it too but the tuner didn't mention it. 190bhp, 218ftlb (295nm).

On a unrecorded unrestricted run we saw 208bhp at ~4750 rpm, and about 240ftlb (325nm) peak torque a little before that, with the throttle practically shutting beyond that pulling power back to around 130bhp.

That was hitting over 1.5bar boost which is the limit for the map sensor too, so it was dialed back to 1.4bar for this run;

 

image.thumb.png.972c97c4ca625ed0c2a6d27e0de8d9db.png

 

 

 

Edited by FabiaGonzales

14 minutes ago, FabiaGonzales said:

 

 

Was it mapped beforehand? Those stock numbers look suspicously stage-1 like!

 

Have you got a graph to see the torque curve? From that much peak torque (same as what mine made in testing) it should be carrying through much closer toward 200bhp.

 

I have this graph of a run whilst trying to eliminate the wierd throttle bug, perhaps yours has it too but the tuner didn't mention it. 190bhp, 218ftlb (295nm).

On a unrecorded unrestricted run we saw 208bhp at ~4750 rpm, and about 240ftlb (325nm) peak torque a little before that, with the throttle practically shutting beyond that pulling power back to around 130bhp.

That was hitting over 1.5bar boost which is the limit for the map sensor too, so it was dialed back to 1.4bar for this run;

 

image.thumb.png.972c97c4ca625ed0c2a6d27e0de8d9db.png

 

 

 

What do you mean "throttle bug"?

It hadn't been mapped at all beforehand.  

He said in the later higher revs the cat is restricting the power as the exhaust gasses aren't getting out quick enough

20201005_220847.jpg

Edited by Monkey_Dan

  • Author
2 minutes ago, Monkey_Dan said:

What do you mean "throttle bug"?

It hadn't been mapped at all beforehand.  

He said in the later higher revs the cat is restricting the power as the exhaust gasses aren't getting out quick enough

20201005_220847.jpg

 

The same exhaust is used in the 1.4tsi, and is capable of 230bhp with a hybrid turbo, it would make an improvement being straightpiped, but it's not the limit.

 

I'll be honest that peak does't look super healthy for the turbo, how much boost was that making? And note how your peak power is at only 4300 rpm, and how it drops off significantly after 4500 rpm.

 

My tuner was logging everything with VCDS monitoring boost and such, and found that it was actually closing off the throttle, no matter how much or how little boost we threw at it at the low end, it wouldn't let it past 130bhp beyond 5000rpm, its like there's some safety limiter it was hitting but we weren't able to figure it out in the time we had available.

 

When i go back in for my second attempt, we're chopping out the secondary cat too, so we'll see how much of a difference that makes. The 1.8tsi uses a larger diamater exhaust which already ditches the secondary cat, i'm not sure if the o2 sensor holes are compatible though. Plus the brackets would need some adaptation for where it braces to the back of the engine block

2 hours ago, FabiaGonzales said:

 

The same exhaust is used in the 1.4tsi, and is capable of 230bhp with a hybrid turbo, it would make an improvement being straightpiped, but it's not the limit.

 

I'll be honest that peak does't look super healthy for the turbo, how much boost was that making? And note how your peak power is at only 4300 rpm, and how it drops off significantly after 4500 rpm.

 

My tuner was logging everything with VCDS monitoring boost and such, and found that it was actually closing off the throttle, no matter how much or how little boost we threw at it at the low end, it wouldn't let it past 130bhp beyond 5000rpm, its like there's some safety limiter it was hitting but we weren't able to figure it out in the time we had available.

 

When i go back in for my second attempt, we're chopping out the secondary cat too, so we'll see how much of a difference that makes. The 1.8tsi uses a larger diamater exhaust which already ditches the secondary cat, i'm not sure if the o2 sensor holes are compatible though. Plus the brackets would need some adaptation for where it braces to the back of the engine block

Sounds like there's some funny stuff going on, a lot of the graphs I've seen of mapped 1.2 and 1.4 tsi engines are flatter but I hadn't seen any turbo swap or hybrid turbo graphs. I haven't seen any 1.4s running 230bhp let alone on the standard exhaust. 

It does seem to get strangled at high revs and I had expected a flatter curve

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