Non-Ball-Bearing GT3076

[Caithness]

Has anybody ever heard of or used one of these? Sort of like how the GT3561 is a non-ball-bearing GT35R.

I sent an email to precision asking how much it would be to build one with a .63 Mitsubishi bolt-on turbine housing, the 0.60 A/R 4" in 2" out port shroud compressor housing some people here have called a "surge ported e cover", and an internal wastegate. I figure that if a GT35R runs around 1300 bucks and the GT3561 sits at 850, the GT3076R that runs around 1200 bucks would sit around that same 800 dollar level. Just another 100-200 dollars on top of a 50 trim with another 30 horsepower worth of flow and only slightly slower spool.

Oh, and before you ask "why not go with the ball-bearing turbo?" It's not the initial 300-400 dollar price premium that bothers me. It's the fact that I'm going to be socking away 100 bucks a month for a year to pay for this turbo upgrade, and if anything goes wrong I won't be able to afford another full turbo purchase. If I spin a rod bearing or something and metal goes through a standard-bearing turbo, all I'm out is 300 bucks for a quick and easy turbo rebuild and I should be back up and running (well, after the engine rebuild). A friend of mine had to buy a new turbo when his ball-bearing unit was taken out along with his engine.

 

[prostreetdsmx1]

i've never seen a non bb genuine gt30 bud.

 

[Caithness]

Shoot, seems like you're right. Just got this email-
"Jordan,

The GT3076R is only available in a ball-bearing version. You would
have to run a turbo from the SC lineup of turbos to get a similar
performing, non ball-bearing turbo. As for the compressor cover, it is
indeed a Ported E cover with a four inch inlet and two inch discharge.
It is specific for the GT3076R with -12 CHRA.

Regards,

Joe @ Precision Turbo"

That's a shame. I really love the GT series wheels but I can't take on the risk of the ball bearing center section. I know the standard 50 trim won't do it for me and I've never been impressed by the "tweener" turbos above it. Hmm, time to continue the search for a new-technology standard bearing turbo in the mid-50-lb/min void.

 

[DGajre777]

If you are really that paranoid about your BB turbo going out, you can get a filter kit. SBR and Dejon both sell them. Here is link to SBRs kit - http://www.slowboyracing.com/more.php?id=40&

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If you still don't want to go BB, how about the good old 20G?

 

[andymoraitis]

Try a PTE SCM-4431E. Sweet turbo, great price and it's 360 journal.

 

[Steve93Talon]

Hmm, time to continue the search for a new-technology standard bearing turbo in the mid-50-lb/min void.

Borg Warner S256

 

[DSM90AWD]

I'm in the same boat and am entertaining ideas

Borg Warner S256

Did BEP solve the scroll cracking issue with the new turbine housing material/design?

 

[Steve93Talon]

Did BEP solve the scroll cracking issue with the new turbine housing material/design?

I'm unaware of any problems with cracking. We've been running an HX40 in their older non-stainless housing for over a year now, holding up just fine. I also just pulled a friend's 60-1 with newer stainless housing off, and aside from the usual heat discoloring it still looks brand new.

 

[Caithness]

The scroll got really thin and cracked at one point in the housing on some of the older ones. In the old threads they said they changed the design to fix that problem, I believe. This was well over a year ago.

 

[DSM90AWD]

I've seen three of the cast-iron ones with cracks/missing chunks in the turbine scroll area(like in below pic of mine) which is why I asked. Interested in knowing if the A/R changed with this new design or if they just went to a new material (stainless) with the old casting

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[The Shodan]

Shoot, seems like you're right. Just got this email-
"Jordan,

The GT3076R is only available in a ball-bearing version. You would
have to run a turbo from the SC lineup of turbos to get a similar
performing, non ball-bearing turbo. As for the compressor cover, it is
indeed a Ported E cover with a four inch inlet and two inch discharge.
It is specific for the GT3076R with -12 CHRA.

Regards,

Joe @ Precision Turbo"

That's a shame. I really love the GT series wheels but I can't take on the risk of the ball bearing center section. I know the standard 50 trim won't do it for me and I've never been impressed by the "tweener" turbos above it. Hmm, time to continue the search for a new-technology standard bearing turbo in the mid-50-lb/min void.

Have you thought about the S256 Borg-Warner? That one spools pretty damn fast even compared with the GT3076R, and is journal bearing...

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[Slippi84]

If you are really that paranoid about your BB turbo going out, you can get a filter kit. SBR and Dejon both sell them. Here is link to SBRs kit - http://www.slowboyracing.com/more.php?id=40&

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If you still don't want to go BB, how about the good old 20G?

I own this and my SBR gt14(duall bb) is leakin oil after less than 2 miles of just test driving not even WOT

 

[Caithness]

Have you thought about the S256 Borg-Warner? That one spools pretty damn fast even compared with the GT3076R, and is journal bearing...

Yeah, I looked into it a bit after Steve mentioned it, but the site I found it on listed it for 1400 dollars. It's out of my price range. The 3076r was stretching my planned budget at 1150.

 

[prostreetdsmx1]

S256 rocks! BEP's new SS housing is absolutely amazing too.

 

[The Shodan]

Yeah, I looked into it a bit after Steve mentioned it, but the site I found it on listed it for 1400 dollars. It's out of my price range. The 3076r was stretching my planned budget at 1150.

1400 is only MSRP. Actual price is about $1190 shipped for stainless housings on both.