Small external size single turbo?
Thread Starter
Teching In
Joined: Feb 2009
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From: Western Australia
Small external size single turbo? Hey guys,
Can anyone recommend some turbo models to look at to suit a 6L with minimal space under the hood?
I know the GT4088 has been used, but is there anything that will flow better but not be the size of a Gt42.
The car is a stalled a4 with a cam.
Another question i have is, will the car drive different offboost to what it does now as an NA? Or do you lose power until its in boost?
I dont have the luxury of room in front of the motor where most people fit big singles so it will need to be off to one side
Can anyone recommend some turbo models to look at to suit a 6L with minimal space under the hood?
I know the GT4088 has been used, but is there anything that will flow better but not be the size of a Gt42.
The car is a stalled a4 with a cam.
Another question i have is, will the car drive different offboost to what it does now as an NA? Or do you lose power until its in boost?
I dont have the luxury of room in front of the motor where most people fit big singles so it will need to be off to one side
Turbonetics has a line of turbos for what you need. They call it their hurricane series. I run the 7668 on my car with no complaints.
http://www.turboneticsinc.com/turboc...-turbochargers
http://www.turboneticsinc.com/turboc...-turbochargers
9 Second Club
Joined: Nov 2003
Posts: 13,616
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From: Norn Iron
Hey guys,
Can anyone recommend some turbo models to look at to suit a 6L with minimal space under the hood?
I know the GT4088 has been used, but is there anything that will flow better but not be the size of a Gt42.
The car is a stalled a4 with a cam.
Another question i have is, will the car drive different offboost to what it does now as an NA? Or do you lose power until its in boost?
I dont have the luxury of room in front of the motor where most people fit big singles so it will need to be off to one side
Can anyone recommend some turbo models to look at to suit a 6L with minimal space under the hood?
I know the GT4088 has been used, but is there anything that will flow better but not be the size of a Gt42.
The car is a stalled a4 with a cam.
Another question i have is, will the car drive different offboost to what it does now as an NA? Or do you lose power until its in boost?
I dont have the luxury of room in front of the motor where most people fit big singles so it will need to be off to one side
As for driving, it should drive no different than it does now. It may feel more sluggish off boost, but that's only because of the larger difference in power between on and off boost.
But it will make pretty much the same low end as it did before.
Thread Starter
Teching In
Joined: Feb 2009
Posts: 48
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From: Western Australia
600rwhp would be enough. (that is never the case but gotta start somewhere 
)
Spool shouldnt be an issue with a high stall and a turbo of this size i wouldnt have thought? The car is just a weekend warrior with a semi focus on drags but nothing crazy.
)Spool shouldnt be an issue with a high stall and a turbo of this size i wouldnt have thought? The car is just a weekend warrior with a semi focus on drags but nothing crazy.
You need to decide on what sort of power you want, spool etc, then decide what is a suitable turbo.
As for driving, it should drive no different than it does now. It may feel more sluggish off boost, but that's only because of the larger difference in power between on and off boost.
But it will make pretty much the same low end as it did before.
As for driving, it should drive no different than it does now. It may feel more sluggish off boost, but that's only because of the larger difference in power between on and off boost.
But it will make pretty much the same low end as it did before.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Mine isnt turbocharged. There isnt a lot of point fitting a huge turbo if you only want 600hp though. Although 600rwhp AusHP isnt always the same as USHP. You might want to target 800 in the US :p
But as you also say, some modern big turbos can actually spool very well.
A lot of guys have good luck with the 88mm sized units and it would also leave you room to grow at a later date. Even then there is a huge variety of brands and different specs within that size range.
I'm sure some of the more experienced guys will chime in soon
But as you also say, some modern big turbos can actually spool very well.
A lot of guys have good luck with the 88mm sized units and it would also leave you room to grow at a later date. Even then there is a huge variety of brands and different specs within that size range.
I'm sure some of the more experienced guys will chime in soon
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Here is an Aussie setup that seems to be working well.
https://ls1tech.com/forums/forced-in...rbo-build.html
https://ls1tech.com/forums/forced-in...rbo-build.html
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2nd pair of numbers 7668, 7675. 68 = 68 mm turbine outlet OD 75 = 75 mm turbine outlet OD. You'll want a 75mm turbine minimum for a 6.0l single with 1.15AR or bigger if available.
Thread Starter
Teching In
Joined: Feb 2009
Posts: 48
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From: Western Australia
Can anyone help track down this turbo? I cant find anything on a tc7675. I know there is one that size from precision but not turbonetics that i can see. They all have 68mm turbine?
I am having no luck getting in touch with drturbo on where to buy the tc7675
I am having no luck getting in touch with drturbo on where to buy the tc7675
It's custom that's why. Just use the email link at ForcedInductions.com
You'd be looking at the T76 S trim basically with a different compressor housing.
TC compressor housing = 4" in & 2.5" out.
H cover (aka GTS, HPSH) = 4" in & 3" out.
You'd be looking at the T76 S trim basically with a different compressor housing.
TC compressor housing = 4" in & 2.5" out.
H cover (aka GTS, HPSH) = 4" in & 3" out.
Thread Starter
Teching In
Joined: Feb 2009
Posts: 48
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From: Western Australia
Thread Starter
Teching In
Joined: Feb 2009
Posts: 48
Likes: 0
From: Western Australia
