hybris turbo

Tiny Tim · Post by **Tiny Tim** » Tue Oct 16, 2007 8:17 pm

*gasp* teeny tiny turbos!

are the turbos on the D8 diesels VNT turbos by any chance?

niz406 · Post by **niz406** » Tue Oct 16, 2007 8:28 pm

Tiny Tim wrote:*gasp* teeny tiny turbos!

are the turbos on the D8 diesels VNT turbos by any chance?

LOL don't forget the stock turbo is a cruddy T25.... but with £200 of parts and labour it's transformed into a 60 Trim beast that gives much more performance at the higher rev range

jameslxdt · Post by **jameslxdt** » Tue Oct 16, 2007 9:00 pm

no niz the diesel is a t2 remember, smaller than the t25, infact mucho smaller

niz406 · Post by **niz406** » Tue Oct 16, 2007 9:51 pm

jameslxdt wrote:no niz the diesel is a t2 remember, smaller than the t25, infact mucho smaller

But he asked about the turbo for the 406 SRi Tub aswell ??!?!?!?!?!?!?!

Tiny Tim · Post by **Tiny Tim** » Tue Oct 16, 2007 10:10 pm

Dont forget the difference between a T2 and T25 wont necessarily be in the housing size!

Malachy · Post by **Malachy** » Tue Oct 16, 2007 10:13 pm

why would you want to fit the gti6 be4/6 box to the sri turbo anyway? it is made from cadburys finest the gears are cut about half the depth of a normal BE box, add that combination to the increased torque of a tuned xu10j2te and your just sitting on a timebomb.

the stock ml box on the sri turbo is pretty bullet proof anyway no need to change imo.

niz406 · Post by **niz406** » Tue Oct 16, 2007 10:16 pm

Tiny Tim wrote:Dont forget the difference between a T2 and T25 wont necessarily be in the housing size!

So do I have to get technical on my birthday and start talking about, Housing Size, Wheel Trim, Exducor, Major measurements, compressor efficiency, A/R ratio turbine wheel design, exhaust housing design, etc... because I'm having trouble spelling at the moment as it is... lol

niz406 · Post by **niz406** » Tue Oct 16, 2007 10:31 pm

Malachy wrote:why would you want to fit the gti6 be4/6 box to the sri turbo anyway? it is made from cadburys finest the gears are cut about half the depth of a normal BE box, add that combination to the increased torque of a tuned xu10j2te and your just sitting on a timebomb.

the stock ml box on the sri turbo is pretty bullet proof anyway no need to change imo.

But I wanted a 6th Gear.

The engine wants to give more.... but needs that 6th gear lol

Tiny Tim · Post by **Tiny Tim** » Tue Oct 16, 2007 11:01 pm

niz406 wrote:
Tiny Tim wrote:Dont forget the difference between a T2 and T25 wont necessarily be in the housing size!

So do I have to get technical on my birthday and start talking about, Housing Size, Wheel Trim, Exducor, Major measurements, compressor efficiency, A/R ratio turbine wheel design, exhaust housing design, etc... because I'm having trouble spelling at the moment as it is... lol

Only if you take a swig of alchofrol at the end of every word typed.

niz406 · Post by **niz406** » Wed Oct 17, 2007 12:43 am

Tiny Tim wrote:Only if you take a swig of alchofrol at the end of every word typed.

LOL...... I've ran oout..... and I'm not about to start on teh Ouzo lol

jameslxdt · Post by **jameslxdt** » Wed Oct 17, 2007 6:54 pm

niz406 wrote:
Malachy wrote:why would you want to fit the gti6 be4/6 box to the sri turbo anyway? it is made from cadburys finest the gears are cut about half the depth of a normal BE box, add that combination to the increased torque of a tuned xu10j2te and your just sitting on a timebomb.

the stock ml box on the sri turbo is pretty bullet proof anyway no need to change imo.
But I wanted a 6th Gear.

The engine wants to give more.... but needs that 6th gear lol

change the final drive ratio, get one from a derv box

as i already mentioned in other threads before and this one above the gti6 box will mate up to any XU block, but is ONLY meant for the gti6
and as malachy said the gears are made much thinner as they needed to make up for the extra room for the 6th gear, they do break unfortunatley, though not as often as the MA gearboxes

pug306tdi · Post by **pug306tdi** » Thu Oct 18, 2007 1:38 am

how would u go bout building your own turbo also where would i get the parts from i got a spare turbo i will make 1 out of that if it can be done

also id love to have a 6th gear after the remap and chip my 406 still wants to go it should have a 6th gear to let it go more

Tiny Tim · Post by **Tiny Tim** » Thu Oct 18, 2007 8:48 am

Have a look on ebay for turbo rebuild kits or try ATP turbos in the states (they have a website).

If the seals have gone its an easy job, but be warned - the the blades are damaged or there is scoring on the casing, its likely the shaft could be damaged due to the bearing. You'll also need to get a rebuilt unit balanced properly by a turbo company depending on what componants you've changed/fixed.

niz406 · Post by **niz406** » Thu Oct 18, 2007 10:54 am

pug306tdi wrote:how would u go bout building your own turbo also where would i get the parts from i got a spare turbo i will make 1 out of that if it can be done

As Tiny said... your best bet is a service kit off ebay, I got mine from Conceptua Tuning, look for his ebay shop online, great guy very helpful.. If you want a larger compressor wheel you will need some machining done, so if you know anyone in the trade this will be good... if not then you will only need the service kit and a 360 degree thurst bearing kit, another option you have also is a dynamic seal kit or a 4 piece carbon seal kit... these will ensure that oil doesn't leak into the compressor assembly at higher boost levels.

One last part you will need is a staggered gap turbine oil seal, the reason some turb's smoke is because the stock seal is very poor at sealing and when it fails.... oil just pours into the turbine side... one of these performance seals stops that and only costs around the £10 / £12 margin typically.

As for balancing, there are only certain turbo companies that will balance a turbo not built by themselves, some dont need the whole turbo, just the shaft, comp wheel, thrust collar and comp wheel retaining bolt.

However, before going out and buying anything... you will need to check the condition of the spare turbo out... first things first, if its not a T25 from the SRi turbo, but a diesel turbo unit then chances are it will only have an oil feed/return and no coolant connections, this is no good for the petrol turbo as it runs much hotter behind the engine and requires the coolant to stop the oil from coking.

Next you need to check how much play / end float there is in the shaft, if you find that there is considerable play the core / bearing housing may need machining, this will require larger wet float bearings and is another additional cost for you and sometimes just not worth it. If there is any in/out movement in the shaft, give up and throw it away.... that's an indication that something major is wrong.

If there is only small amount of play, let the inspection begin.... I am writing a guide on how to rebuild / service a turbo so once I have finished this I will put it up in the KB section and then you can have a read through it if you are serious about having a go???

HTH

pug306tdi · Post by **pug306tdi** » Thu Oct 18, 2007 1:25 pm

ye the turbo is the t2 diesel 1 and it is goin on the diesel. as for the sri im waiting on a t34 turbo off a m8s escort cossie