thats now about the only step left to reach my goal

I keep jumping around on which turbo i should pull the trigger on, looking to not have to spend over $2k on the turbo

Please give me some options of turbos that can get me to 600-650whp in my FC!!!!
Motor is bridgeported with 9.4cr rotors with practically everything else needed to make the power wanted.
Also i would like to keep the boost around 28psi or maybe 30psi but not looking to go much higher than that
would prefer to use T4 but might consider T6 if thats the only way

Gt4094r?
MP T-76?
Holset Hx52 or 55?
Borg Warner?
Turbonetics?
Precision?

or any other choices i am not thhinking about, and those that i mentioned exact models does not mean that those are my only options in that brand

I know there are some guys making some good power in here so lets here some of your opinions!!

 

i am not going to give you specific turbos but can be of some initial help.

600 rw rotary hp (do NOT confuse w piston hp.... very different)
600 X 1.92 = 1152 CFM = 80 pounds per minute

650 = 1248 CFM = 86 pounds per minute

my GT4094 fits the 600 number and is fairly compact. it has a compressor average area of 8.175 sq inches. pls refer to my sticky thread in this section for other turbos in the same area.

the newer billet turbos may deliver the same flow w less sq inches and might be worth a look depending on pricing and your interest in opening your wallet.

howard

 

If you're not going to go over 2k I would agree with HC;

http://www.turblown.net/store/index.php?productID=250

I would do the 1.19 and a full 4" exhaust.

 

Borgwarner s475 with 1.10 rear your cost factor is your biggest issue I think the GT4094 may possibly be borderline your setup would have to be perfect to get the HP you are looking for

 

I think they hit it above. Either of the 2 will get you there. S475 should give you more room. I run a 4094 and am in the low 600 area on 27psi.

 

the thing that i dont really like is having to get a custom manifold made for the T6 and how it has a 5" outlet and would probably have to redo my whole exhaust setup to a 4", right now its 80mm=3 1/8"
if someone could possibly point me in the right direction for a T6 manifold for a BW S475 to fit in an FC i might just go that route since i know it has plenty of room to give me the power i need
i was just told that the GT4094R is T4 has a 3" exhaust outlet and clears everything in the FC and can make the power i want
GT42R would give me a little extra but i was told that its a little more difficult to get it to fit A.K.A. custom stuff
any truth to any of this?

 

Id go with a s475 t4. Gonna take less boost to get there.

 

you can get the T4 BW turbo from bullseye, i think they charge about $100-150 more for it and it will reduce the max power that the turbo can produce but from what i have seen, it's easily capable of over 1000RWHP. you can also still taper it down to 3" with reducers for the exhaust, but you will need to find the right T4 manifold for it to fit because it is wayyyy too huge of a turbo to fit in most of the t4 flange turbo locations, it will also need some additional bracing because the turbo literally weight around 40lbs.

basically you can run what you need with that turbo, it's cheap and it will have room to grow when you want to upgrade it to really see what it can do. the biggest factor is finding out how to fit it, get the right manifold and figuring out how to route the intercooler piping to that monster. so in the end restricting it will still get you rather easily to 600-650WHP range.

i know that you can get the T4 turbine housing from where i got my old MP T70 at miketurbo inc out of southern florida.

Holsets are good for quick response but not for peak horsepower.

MP T76 is still an ok cheap alternative turbo but the BW400/475 produce way more power, hit harder and cost less. the master power is still more compact though, hence easier to work with.

the other more high end name brand turbos like the 4094 will do it too, but it seems like the billet wheel turbos are encroaching on their territory by offering cheaper non BB turbos that spool quickly.

 

still trying to decide........

 

what about the BWS366(91-79) or S372.

Im running the BW366, havent tuned yet though..

 

whats the limit of those turbos? and are they T4?

 

bws366 is 80-2lbs and bws372 is 85-90lbs

Some people say that they s372 isnt so good as the rear wheel and compressor is mismatched. Maybe others can enlighten you about that.

Im running a s366 91-79, I dont see why I shouldnt reach 600whp if tuned properly. My only concern is that I have a .91 on the rear, but I can alway change it to a 1.0 or 1.10 if that happens.

My car isnt tuned but I can get positive pressure at 3800ish...

my goals are 600ish.. I narrowed it down to three turbos, s366,s372,gt4094..

s366 fit the bill for me, not expensive,not laggy, and honestly, if you want more than 600 might as well you go above 700, not to mention anything over 400 on the street is useless and no fun.

 

Both are matched well. BW does a good job of pairing high flow turbines with their compressor wheels. Garrett's compressors almost always overpower the turbine.

The S366 will peak around 600whp. If you want more with good mid range response, get the new S400SX 67mm. Its a great turbo, flows 88lb/min and will make 600whp without pushing the limits. There is also a new billet version that flows 94lb/min, same S400SX frame.

 

I should crack 600rwhp next dyno session...MPGT45

 

yeah i seen that turbo and looked at it alot but many people do not believe that it can possibly flow that much... so i am holding back before i choose, i may just go with the gt4094r and be done with it unless that gt3794r pulls me back in and really does flow 94 lbs/min

 

and when is that gonna be, you have been aiming for that for awhile now havent you. you also have stuck with those master power turbos for awhile also, do you really like them or just the price?

 

GT42-02...620 rwhp at 24 psi on a conservative tune. Room for plenty more.

 

I should be on the dyno in a few weeks. I let my car sit for almost two years. The MP works because it does, not because of the price. Even after siting for two years. im not trying to sell you anything, just telling you what its done for me. Whenever MP finally releases their BB line...ill be the first to get it

 

it was the route i originally was going to go, was gonna go with a t-76 from MP but just decided to maybe go with something else, do you know how long they are talking about til a BB version comes out?

 

I saw a MP ad for their BB line a while back..but havent heard anything yet

 

Precision Turbo 76 GTS

http://www.youtube.com/watch?v=8E7J93DnIxM

 

garrett gt4202 with a/r 1.15 turbine housing

 

too big, they have some smaller turbos that flow just as much or darn near the same, just dont know if something like the pte-6768 will be able to flow enough at 30psi, i dont want to have to push 35-40psi or go t6 to reach 600+whp

 

This is what I have. 600+hp goal. Also 10th AE.