Turbo EH2

Its a precision Garret GT30R, I'm guessing because it has a precision compressor housing on it?


Heres my turbo




Heres the common one i see



When i got my 30R i was kinda disappointed. The compressor housing on the common GT30Rs i see look absolutely beautiful, while i'm stuck with one that looks like any other turbo, granted... does it flow better because of the precision compressor housing?

Cyber ITR

the one on the bottom is ported shroud housing, supposely flow better than the common ones

and from first pic, im not sure if its from the angle or what, it seems that ur one has 7 blades instead of 6 blades

b18sihatch

where did you get it?

i also believe with the bottom picture the ported shroud is also anti surge

Finest

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Cyber ITR &raquo;</TD></TR><TR><TD CLASS="quote">and from first pic, im not sure if its from the angle or what, it seems that ur one has 7 blades instead of 6 blades</TD></TR></TABLE>

Looks like 7 blades to me as well. Where did you buy the turbo from, if you don't mind.

drumking15

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b18sihatch &raquo;</TD></TR><TR><TD CLASS="quote">where did you get it?

i also believe with the bottom picture the ported shroud is also anti surge </TD></TR></TABLE>

you are correct...it helps bigger turbos run low boost w/ surging as early

Turbo EH2

Got it at ben from importparts.com It was part of their custom turbine feature, and one of the options was "GT30R" turbine, is there any way i can upgrade the housing then?

bag

it sounds better to..call me a ricer.

try looking on garrett website.

RC000E

Back from the dead...I am wondering about the compressor housing too. Can you purchase the upgraded housing?

To the dude above too....yeah, everyone tries to play like certain sounding items are "ricer" but I'm sorry if an exhaust sounds like ***, I dont' want it. If a blow off valve sounded like a flock of ducks, I wouldnt' want it. Sound matters for alot of sh*t. Now buying an anti surge housing to get the sound is pushing it, but it's a benefit so I'd take one.

JDogg

the anti surge hurts efficency vs a non ported compressor housing

null.

definitely sounds better though, like an airplane

PrecisionH23a

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDogg &raquo;</TD></TR><TR><TD CLASS="quote">the anti surge hurts efficency vs a non ported compressor housing</TD></TR></TABLE>

Around 2-3% less power until you really get into the efficiency rance of the turbo. When you are in the efficiency range that's when they start making more power. On the GT35r's they kick in in the upper 500's.

93supercoupe

im confused.

The anti-surge is better for lower boost pressures, BUT when running IN the turbos effeciency range, it will HINDER performance?

So anti-surge is for the nacy's? Is this what im reading?

tepid1

For a lack of better terms the anti surge cover actually "shrinks" the top end of the turbo's efficiency range. You will yield more power from the top turbo in the end, but it's good insurance to run the anti surge cover.

93supercoupe

gracias amigo.

Rod Short

The GT30R is available with any number of compressor wheels (GT3071, GT3076) and compressor covers, so there will be difference in appearance. As for the ported shroud, you guys are right.

twkdCD595

so where does the drilled housing come into play in all this?

PrecisionH23a

The drilled housing is the ported shroud (anti-surge) housing. It's just a different design.

alpha

My old GT3076RLE. Rod hit it on the head though. A couple different compressor wheels and compressor covers

Turbo EH2

Okay is there a way to order the anti surge housing? i Have a GT3076R From precision

JDMCRX

iTrader: (2)

Also note the anti surge compresor housing are bigger then the non so fitment