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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old October 24th, 2009, 08:29   #1
releaseyourself
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Default Audi A2 1.4 TDi Sport mods?

Hi,
i am looking for advice on tuning an A2 1.4 TDi Sport. I am sure it is a similar engine to the vw polo here in the uk.

I have a stainless exhaust and green air filter, apart from remapping which will be done in the future what else could i do? Bigger turbo? De-cat?
Thanks.
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Old October 24th, 2009, 09:13   #2
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If it's the 90ps model That engine is basically a PD150 with a cylinder removed and already has a VNT turbo. The sky is the limit and 200hp+ would be possible if you went mad. but that would be head work, custom grind cam and a large turbo.

Get rid of the green cotton filter (have a look around the forum to find out why!) put in a De-cat pipe, and get a remap. I think you might be suprised how much better it will go!

If you know you wont be happy with just a re-map it can get complicated and expensive. I'm helping a guy out with a fabia 1.4 70ps, he's really happy with the remapping guy i put him in touch with but is now taking it a step further and fitting larger injectors (which your's should already have) porting the head and fitting bigger valves, converting to VNT using the turbo from a 2.7TDi audi using a tubular manifold, the list goes on!

PM me if you want to know names as i wont post them in topics!! anything else ask here for the good of the forum!

Ry
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Old October 26th, 2009, 15:22   #3
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Thanks for the info.

Where can i get a de cat pipe for my Milltek exhaust in the uk?
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Old October 26th, 2009, 15:25   #4
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I tried searching for info on the green filters, but nothing much came up. Do they restrict airflow more than the stock filter?
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Old October 26th, 2009, 15:30   #5
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mainly K&N's are available in the US, searching for that may yield more results! Basically, they have less surface are than the stock paper element, the oil kills the turbo's and they let particles as larger as sand through!!

any monkey with a welder can make a decat, it should only need a small straight pipe welding in.
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Old November 7th, 2009, 10:43   #6
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Ryan,
It is a TDI 90 that i have.

Which bigger turbo chargers would bolt straight on? I am planning on having a remap after i have the exhaust/filter/turbo work done.

Quote:
Originally Posted by ryanp
If it's the 90ps model That engine is basically a PD150 with a cylinder removed and already has a VNT turbo. The sky is the limit and 200hp+ would be possible if you went mad. but that would be head work, custom grind cam and a large turbo.

Get rid of the green cotton filter (have a look around the forum to find out why!) put in a De-cat pipe, and get a remap. I think you might be suprised how much better it will go!

If you know you wont be happy with just a re-map it can get complicated and expensive. I'm helping a guy out with a fabia 1.4 70ps, he's really happy with the remapping guy i put him in touch with but is now taking it a step further and fitting larger injectors (which your's should already have) porting the head and fitting bigger valves, converting to VNT using the turbo from a 2.7TDi audi using a tubular manifold, the list goes on!

PM me if you want to know names as i wont post them in topics!! anything else ask here for the good of the forum!

Ry
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Old November 7th, 2009, 11:55   #7
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131pd and 150pd turbos are bolt on but you have to cut one arm
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Old November 7th, 2009, 13:48   #8
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Cheers...
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Old November 8th, 2009, 02:55   #9
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Try an exhaust and Re-map and see how you like it, will be like a new car, after that it get's complicated!
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Old November 8th, 2009, 03:54   #10
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I'm looking for a OEM file of such 90hp vnt version.. I found a bargain on ebay, a vnt turbo off such 80hp ecomotive version, should make it much more driveable than with the oem gt15 unit, for the girlfriends car =)
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Dyno'd area, Old VNT20 setup dyno'd 192whp
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Old November 8th, 2009, 04:01   #11
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Quote:
Originally Posted by Rub87
I'm looking for a OEM file of such 90hp vnt version.. I found a bargain on ebay, a vnt turbo off such 80hp ecomotive version, should make it much more driveable than with the oem gt15 unit, for the girlfriends car =)
I thought you were not modifying it! lol it never ends!!
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Old November 8th, 2009, 04:02   #12
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yes but I found this turbo for €80
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Dyno'd area, Old VNT20 setup dyno'd 192whp
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Old November 8th, 2009, 22:30   #13
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if you still need the oem file for 1.4 tdi 90 let me know
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Old November 8th, 2009, 23:08   #14
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still need it =)
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Dyno'd area, Old VNT20 setup dyno'd 192whp
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Old November 9th, 2009, 06:24   #15
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i'll give it to you as soon as i'll have it.
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