Please don't throw shit at me for this question. I am building a custum kit, but am trying to decide which size t3/t4 turbo to get. I have been researching for about a year and a half, and feel like I know enough to start getting my parts. I still don't quite understand the flow charts though. Can I get some help on which t3/t4 would be best suited for me. I want something that will pull at about 2500-3000 rpms. First installation will include 30# inj. and fmic, and shooting for about 250-275hp(to begin wit ) Also, I have a star mani, so if there is a place with good info on garrett turbos throw it at me. I was looking at a 50 trim w/.48 a/r

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Last night I lay in bed looking up at the stars in the sky and I thought to myself...

where the hell is the ceiling?

the lower the trim the faster it should spool. I think what you are thinking of will be small enough to hit max boost right around 3k rpm.

Take a look at this post it has some good information:
http://forums.2gnt.com/dcboard.php?az=show_topic&forum=8&topic_id=61825&mesg_id=61825&page=

-97 GS (First project, 299 whp)(sold)
- 97 RS 2.6 last numbers: 306hp, 352tq @16psi (Dead, parted out)
- 99 GS OZ, Hahn Kit, 56k miles (Sold)
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- 00 Nissan Maxima GLE (Daily Driver)
- 02 Audi A4 1.8T Quattro

the .48 50 trim will spool fast but high RPM HP will suffer because of it...may i suggest a ball bearing 57trim...should spool as fast as the .48 50trim but will have explosive power and not give up in the high rpms...if your going for HP and a drag strip this is what you want...

'99 RS
gone, never forgotten

'03 BMW 330i 5speed

'00 Jeep Grand Cherokee Limited 4.7