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First turbo upgrade help needed

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TofastForU_99

10+ Year Contributor
781
10
Mar 1, 2009
Kalamazoo, Michigan
okay i have been upgrading my 98 Spyder GST for a turbo upgrade here is a list of my supporting mods

HKS TI Power 3" exhaust
FMIC
Boost Gauge
MBC
Fuel Pump rewire

Mods in the mail:
Walbro 255 LHP fuel pump
wide-band O2
and my friend has a pocket logger that im going to use

list of item's that i dont know what to get with this turbo
i dont know how big of injectors to get
i dont know what downpipe to get or O2 housing to get and manifoild

the turbo:
turbonetics t3/t4 57trim, ar .63, stage5 turbine, coolant and oil cooled. it used to be on a fully built gsr motor. but is blowen and i plan on buying a rebuild kit if anyone knows where i can get one at that would help a lot thanks.

Im buying the turbo this week and i have almost all of my supporting mods done but i do not know what injectors to get to support this turbo or what kind of manifoild i have to get or will my stock one fit this turbo. also is this even a good turbo what kind of HP will i be able to put down if i get a good tune? i know it will be hard to tell but for the money i think this turbo is a good buy or should i just go with a 16G?

i searched for help but found nothing on the turbonetics with my setup so any help would be appreciated thank you all:thumb:
 
Ok homie LOL.... read this

Performance Techniques - Turbo, Turbos, and Turbochargers - For all your turbo needs!

i got 33lb a min at a reasonable eff. on that 57trim

Big 16g vs Small 16g [Archive] - DSM Forums: Mitsubishi Eclipse, Plymouth Laser, and Eagle Talon Forum: DSMtalk.com

http://www.stealth316.com/images/td05h-16glarge-cfm.gif

look 4 posts down.. it gives you the eff. rating of a 16g... A 16g has better compressor map than that 57 trim...

If you wanna be at 22 psi and pushing some good number i would go with at least 650cc injectors...

If i were you i would buy a holset hx35 or 40 then buy the BEP bolt on housing for theturbotrader.com and have a sick powerful beast that all you will need to do if you want more power is to change the hotside and exhaust manifold... I would get 1000cc injectors and buy dsmlink...
you wont need to upgrade for a long time...

Hit me up later... I might go out to eat at the rootbeer stand
 
man how would i know u would find my post LOL.. but yah im free till 2 if u wanna go cruise
 
with it being a gs-t id do a big 16g. ne more and it will kill the tires. asfor injectors id do 550-680. that'll be plenty to have a ton of fun with. good luck and the modding.
 
I don't have any personal experience with them but I've always been under the impression that the 57 trim was a lazy turbo.

Are you getting an AFPR with the pump? You should be.

Look for what you can get a deal on. 560cc Evo injectors will get you into having fun and 750s will probably be as much as you need unless you move to ethanol.

IMO a Holset is a lot of turbo for a strictly street car.
 
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