Gt3076 Query

[brentos]

Hi Guys,

I have query about the 3076 that I was sent. I am certain that I requested one with the usual 4inch anti surge, 6 fin compressor wheel with the .60 A/R housing, however I was sent the one in the image below.

It has the 7 fin inlet wheel (T04 wheel I think?) and .70 A/R compressor housing with a 4" inlet.

The exhaust housing is spot on and is the usual .82 that most of you guys seem to use.

My question is if I decided to use this turbo how much worse off would the response be compared to the newer style 3076 with the 4" anti surge and 6 fin wheel?

Is anyone running one like this and what sort of power do you make?

Couldn't find any info in other threads regarding how much power people are making with this turbo with this front housing.

Cheers

[TiTAN]

that will still make very similar power to the other version, there isnt much difference in them power wise

[brentos]

that will still make very similar power to the other version, there isnt much difference in them power wise

Thanks Titan.

What about response wise is there much difference?

Another thing will this turbo fit ok between the standard manifold and wheel arch / tower. I have the 10mm spacer. Reason I ask is because of the size difference in the A/R compressor housing size and it looks like It might cut it close..

[TiTAN]

anything that size is going to be a tight fit on the stock manifold, you will have to rotate the housings to make it fit properly.

[limpus]

Personally I would return that 7 blade version and get the proper 6 blade version with the 4" ported comp cover...thats what you ordered and thats what you should get...there is some material on here about how the 7 blade versions are inferior...discopotatoe is the guy to speak to...hopefully he'll chime in...

[The Mafia]

Titan is 100% wrong.

I had one, and it made 240rwkw. Maxed. Mater meth, and it made 250rwkw.

Then I got a real gt3076r, 6 blades, surge slots, etc, made 300rwkw. Attached water meth and made 320rwkw.

All on a 0.63 rear housing. Full boost by 3200rpm in 4th. Made 720nm and held that to the limiter.

[The Mafia]

Also, I had to use 2x 10mm spacers with the 0.7 cover.

Only needed 1x 10mm spacer for the 0.6 cover.

I bet you're glad I decided to post...

[R31Nismoid]

Ye the 7-blade one is not the one you want. Bad and nasty performance for what should be the same price for a proper 6-blade.

I actually thought they'd stopped making them in that option given the choices of 3076s out now with various trims etc.

[brentos]

Thanks for the replys guys.

I have contacted them asking to change it to the correct .60 A/R housing. Will have to wait and see what happens.

[kitto]

Sounds like you've been ripped. Hopefully you get it exchanged!

Anti surge cover seems to make a big difference!

[Legionnaire]

Comp cover does not make big difference. Correct 6/12 blade wheel does.

Make sure you ask for not comp cover only, but for a proper comp wheel!

[R31 POWER]

Anti surge cover will make it whistle it's tits off. Send it back

[89CAL]

Port shrouded cover*

This is an anti surge cover:

[The Mafia]

Thanks for the replys guys.

I have contacted them asking to change it to the correct .60 A/R housing. Will have to wait and see what happens.

Dude, you want a whole new turbo with the 6 blades. Not just the cover.

Ask them for the GT3037. Or CHRA 700177-5007

It looks like the one in my avatar.

Edited September 8, 2011 by The Mafia

[discopotato03]

Yes as Mr Mafia said get the real one which was and still is a HKS spec turbo , only sold through Garrett as well .

The real ones Garrett part number is 700382-10 using cartridge number 700177-7 .

Do it once do it right and think seriously about what he said about the 0.63 A/R turbine housing if lag troubles you at all .

A .

[Lithium]

I had that issue in NZ back when I was trying to get a GT3076R for my car, all the local outfits kept telling me either its pretty much the same or that it was actually the one I wanted - I had to order from the states to get what I wanted in the end. There is definitely a pretty noticeable difference between the two, using this version would be regrettable.

[brentos]

Dude, you want a whole new turbo with the 6 blades. Not just the cover.

Ask them for the GT3037. Or CHRA 700177-5007

It looks like the one in my avatar.

Thats what I told him mate. And now he is going to exchange the entire turbo (1 with the proper 6 fin and .60 A/R) so it should all be fine.

[brentos]

Yes as Mr Mafia said get the real one which was and still is a HKS spec turbo , only sold through Garrett as well .

The real ones Garrett part number is 700382-10 using cartridge number 700177-7 .

Do it once do it right and think seriously about what he said about the 0.63 A/R turbine housing if lag troubles you at all .

A .

Thanks Disco.

I was wanting to still use the .82 housing, my mate has that housing on his 3076 and the lag on that doesn't trouble me at all, so I will stick with that.

And I would have to stick with the Garrett as thats all I can get a replacement for.

What is the difference between the 700382-12 (700382-5012) and 700382-10 (700382-5010) products? Is one 52trim and one 56trim? is there any difference?

Cheers

[Lithium]

Do it once do it right and think seriously about what he said about the 0.63 A/R turbine housing if lag troubles you at all .

I don't know what reasoning you have for that, but its not the best recommendation you've made imho - especially after having had both myself. The .82 only loses any noticeable amount of go below 3000rpm, where isn't a place RB25s are "about" anyway. Above there the .82a/r feels nicer, is nicer on the engine (Mafia needed WMI to suppress detonation, I and others have battled boost creep with .63s) and naturally is capable of more power.

I never looked back from upgrading from the .63 to the .82 - though again the OP has obviously also experienced a "real" 56T with .82a/r hotside and knows how nice a setup they are to drive.

[brentos]

I don't know what reasoning you have for that, but its not the best recommendation you've made imho - especially after having had both myself. The .82 only loses any noticeable amount of go below 3000rpm, where isn't a place RB25s are "about" anyway. Above there the .82a/r feels nicer, is nicer on the engine (Mafia needed WMI to suppress detonation, I and others have battled boost creep with .63s) and naturally is capable of more power.

I never looked back from upgrading from the .63 to the .82 - though again the OP has obviously also experienced a "real" 56T with .82a/r hotside and knows how nice a setup they are to drive.

I just sent the incorrect turbo back to them and told them I want the real 56T one which had the part number 700382-5012

I also told them to stick with the .82 rear housing. I wanted to keep the .82 housing as it has the potential of more power if I desire it.