turbo size

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turbo size

Post  snotz on 3rd March 2012, 11:39

hey

i think i have a t25 turbo it looks to be off a 200sx, ar is 48 would this be to big for a 998/1100

i have put it down the back of the engine to see if it will fit, it looks like it will fit in there but i was
wondering if there would be alot of lag with the turbo and when would it start coming on boost?
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Re: turbo size

Post  benjamin on 3rd March 2012, 13:03

hey,

sounds to me like a t25 from a CA18DET as far as i know they are basically a hi flow t2 , i which case the lag will be very minimal and should be a good match . Get some pics and wheels sizes and i can compare to my t2.
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Re: turbo size

Post  benjamin on 3rd March 2012, 13:07

found this old photo, i used to run .48AR turbine with the hi-flowed wheel and full boost (10psi) at 3200rpm .

exhaust housings, from left too right:

.35ar, .48ar, .63ar



compressor housings, left is std right is highflowed

same with compressor wheels , left is std right is highflow

std size is 48mm and 33.9mm
high flow is 51.4mm and 39.9

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Re: turbo size

Post  snotz on 5th March 2012, 01:28

I took some photos over the weekend the compressor wheel was a 51 mm









This is another turbo I have, I think its the same rear housing but a bigger front housing



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Re: turbo size

Post  benjamin on 5th March 2012, 08:55

yep first turbo is from a CA18DET is the same as the Hi-flowed T2 for size full boost will be somewhere in around 3000-3800rpm at a guess (depending on boost) second one im not 100% sure what is. I have seen the CA18 turbo make 130hp ATW on a 1293cc turbo (15psi) so i think it will a great choice.
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Re: turbo size

Post  snotz on 5th March 2012, 10:19

Cool thanks for that

How have u mounted the pressure regulator so it doesn't hit the fire wall, in that photo
I have taken it off to get the turbo down there
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Re: turbo size

Post  benjamin on 5th March 2012, 10:40

you will have to mount the actuator on the other side , i welded a bracket to the manifold . Also the little arm on the turbo needs to be cut and welded on the other side so it still opens the correct direction.

this picture should help. As you can see the arm on the turbo has been cut and welded so it can work backwards.


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Re: turbo size

Post  snotz on 5th March 2012, 11:05

Thanks for that, its going to help a lot, ill keep u posted on how I'm going with it
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