ok guys, i need some help to figure out what turbo i need, did search but found nothing usefull since most motors setups i found were ported.

i have an s4 turbo motor.
about 8000 miles on rebuilt and was also told it has s5 rotors, but not quite sure if it does. has has good compresion on all faces.

will the turbo i have get me to my goal that is 350-400 rwhp?

i have 750 primaries and 1600 secondarie injectors and will be tuned on haltec e6k, and will be using the aem water/meth injection. have aeromotinve FPR and a 255 walblro pump.
so i should have enough fuel to get me there.

i recently bought what was said to be a (to4b) Turbonetics - HKS 57-1 compressor, a/r .70 turbine that i would like to use since it hasent been used since rebuilt.

the numbers on the compresor husing are 20192. here are some pics



was told by the guy i bought i from that it was a/r .70 but it has a garret divided exhaust housing. pics




exhaust housing is stamped .84
does this meen that the ehaust housing was interchanged from the .70 to the divided garret .84 when rebuilt?
or do i have somthing mixed up?

i guess my question is, will this turbo get me to my goal with out it choking out right before or after getting me there?
would i have a lil room to run more boost?

car will be mostly a daily but will not se much boost while driving on the streets, exept the ocational pulls. but will be taken to the track ocationally.

i dont want to buy an ew turbo if i don thave to.
hope all the info i provided can help someone help me.
if not what more info is needed?

thanks alot in advance

Abner

 

anyone?

 

ar. 70 is the compresor side
.84 ar is the back housing, turbine, or hot side.