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Engine Specific Info and Questions => IDI Engine => Topic started by: santou on October 16, 2005, 12:24:02 am

Title: optimize my garett t2
Post by: santou on October 16, 2005, 12:24:02 am

Hi, i have got a citroen zx 1.9td with pump bosch + 10mm head.
I would like that you help me has to optimize my turbo for most power.

I want  being to leave an equivalent flow (~0.15,0.16 kg/s) has that of a garrett T3, while keeping the base of turbo of origin t2.

The pressure must to be lowest possible (0.9b, 1.1b max)

-one possibility

ego I had thought has to change the trim of wheel 60 and a/r casing of 0.48 of the t2 with dimensions compressor.  but I do not know if there is a wheel and a casing of with these characteristics.

 an other idea?
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Title: optimize my garett t2
Post by: Maarten on October 16, 2005, 01:09:28 am

I swapped the T2 on my 1.9TD for a KKK K24 from a 1.6TD, if Citroën has the same optiuons you could do the swap too :)

Title: optimize my garett t2
Post by: santou on October 16, 2005, 02:00:02 am

I think that will be possible to assemble a k24 but what frightens me more, it is the work of adaptation of the pipe.
how you proceeded for adapted the turbo one?
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Title: optimize my garett t2
Post by: vwmike on October 16, 2005, 03:44:49 am

A picture of this setup might help....They don't sell Citroens in the US.

Title: optimize my garett t2
Post by: Maarten on October 16, 2005, 07:54:03 am

Are you from france or canada?

If the flanges are the same as on a VW the only problem is the oilfeed/return.

Title: optimize my garett t2
Post by: santou on October 16, 2005, 08:10:42 am

I am French, you think flanges for t2 is same one that k24?
 there is no adaptation has to make for assembled it.
 which problem can posed the oil feed and return?
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Title: optimize my garett t2
Post by: Maarten on October 16, 2005, 08:41:04 am

if the flanges are compatible depends on the the manufactorer of the car.. if you can take a pic and measurements I could check my spare turbo.

These guys make flange-adapters but any workshop can do that kind of work for you:

http://www.42draftdesigns.com

I don't know how the oilfeed/return are on you car, only thing I can say that the return was different on a VW. I solved it with a piece of hydraulichose and 2 clamps :)

Title: optimize my garett t2
Post by: santou on October 16, 2005, 09:07:25 am

my arrived of oil is on the cylinder head and the return goes directly to the sump.

flange of k14 is a same k24?
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Title: optimize my garett t2
Post by: Maarten on October 16, 2005, 11:52:29 am

Can you post some pics?

All VW flanges from that era (1.6TD/1.9TD Garrett T2/T3, KKK K14/K24) are the same, trapezium:

(http://i15.ebayimg.com/03/i/05/2e/39/27_1.JPG)

(http://i2.ebayimg.com/04/i/05/36/14/aa_1.JPG)

Title: optimize my garett t2
Post by: santou on October 17, 2005, 08:05:02 am

I know some citroen zx td has turbo k14 , if a k24 is assembled without problem on the pipe of k14, I think of being able cleared up me to find the pipes.

i cant post some pic now, because the accesses to the  turbo's place is not obvious, on the other hand I seek a turbo demounting to make photograph, i informe you.
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