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twin turbo setup idea 

 

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 Post subject: twin turbo setup idea
Posted: Thu Sep 06, 2007 7:59 pm 
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just wondering on what would be a good turbo for running twins on a 4lt, i was thinking 2 of these of ebay http://cgi.ebay.com.au/JJR380-Turbochar ... dZViewItem , would they be any good, maybe one large one would give more power i don't no but i just think running twin turbos would look wild, take more time but i have plenty of it lol.

 

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Posted: Thu Sep 06, 2007 8:05 pm 
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wank factor is good but everything gets hard with the lack of space and need for 2 of everything.

Not sure on the quality of those turbo's either.
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Posted: Thu Sep 06, 2007 8:20 pm 
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Oh no.
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Posted: Thu Sep 06, 2007 8:40 pm 
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bowsaw wrote:
Oh no.


WHAT :P

 

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Posted: Thu Sep 06, 2007 9:26 pm 
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meh i love the idea of twins, amazing throttle response if set up correctly. may top out not as high as big singles but its personal preferance...
go for it i say...

 

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Posted: Fri Sep 07, 2007 8:39 am 
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yer just love saying twin turbo eb, so what would be a nice setup, like what turbo size? would you run a turbo that you would run on a 2 litre or have a totally missed the whole point.

 

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Posted: Fri Sep 07, 2007 11:44 am 
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Two 300 /400 h.p turbo's or one big muther 700 /800 h.p turbo... The cheapest and reliable is the Master Power and there T70 would be about as big I'd want to on street engine etc... They work well on 5.0 turbo's as fitted in the states...

 

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Last edited by EBXR8380 on Fri Sep 07, 2007 11:42 pm, edited 1 time in total.

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Posted: Fri Sep 07, 2007 6:20 pm 
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either that or go to any Jap wreckers and grab either:-
2x RB20DET turbos (2ltr straight six) also come out in a ball bearing version later on
2x RB25DET turbos (2.5 ltr s/six)
2x VG30DET (or TT cant remember) 3.0 ltr v6

cheapest way to get it up and running, using stock jap turbos that are readily avalible..

 

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Posted: Fri Sep 07, 2007 11:46 pm 
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Two turbo's off a 2.5 is too small...
You need ONE from a 3 Ltr
Times two...
As in a single VG30 turbo...X's 2....
Or a VL turbo from RB30 X's 2...
Turbo's fitted as std to engines back then where very small...

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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Posted: Sat Sep 08, 2007 10:29 am 
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EBXR8380 wrote:
Two turbo's off a 2.5 is too small...
You need ONE from a 3 Ltr
Times two...
As in a single VG30 turbo...X's 2....
Or a VL turbo from RB30 X's 2...
Turbo's fitted as std to engines back then where very small...


yep thats what i was thinking, so what size turbos did they run i find a heap of t3/t4 garret ones but what brands and best bang for ya buck and size? need to be i/w to keep things tidy, also would rather buy 2 new ones than seconds then i no both turbos are doin the same amount of work and putting out the same, thanks guys

 

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Posted: Thu Sep 13, 2007 11:00 am 
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I bought two off these guys from Precision U.S...
Use the .63 A.R housing though...
http://www.pagparts.com/perfpts1.asp?pp ... =sportt3t4

This is what I run on my old engine...
Sport Compact T3/T4 .63 A/R, 76 Trim

Manufacturer:
Part No: SC61-2
Our Price: $825.00


SC61 T3/T4
Compressor: Wheel Inducer: 2.416" Wheel Exducer: 3.227" Wheel Trim: 56 Inlet Size: 3" Outlet Size: 2"
Turbine: Wheel Style: T350 Wheel Inducer: 2.920" Wheel Exducer: 2.420" Wheel Trim: 76 A/R: .63
Max HP: 680







Post is $200 and takes 5 days...

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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 Post subject: Re: twin turbo setup idea
Posted: Thu Sep 13, 2007 4:12 pm 
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ebgun92 wrote:
just wondering on what would be a good turbo for running twins on a 4lt, i was thinking 2 of these of ebay http://cgi.ebay.com.au/JJR380-Turbochar ... dZViewItem , would they be any good, maybe one large one would give more power i don't no but i just think running twin turbos would look wild, take more time but i have plenty of it lol.
As long as you have the proper exahust they will be fine....

 

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Posted: Thu Sep 13, 2007 6:39 pm 
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EBXR8380 wrote:
Two turbo's off a 2.5 is too small...
You need ONE from a 3 Ltr
Times two...
As in a single VG30 turbo...X's 2....
Or a VL turbo from RB30 X's 2...
Turbo's fitted as std to engines back then where very small...


And even on those engines they still didn't begin to make boost till after 3000rpm.
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Posted: Thu Sep 13, 2007 6:45 pm 
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For a tt setup, would you have one turbo slightly bigger. so you would have one small and one big. So the smaller one would make boost down low and the bigger one for higher rpm.
Or am i completely wrong?

 

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Posted: Thu Sep 13, 2007 7:07 pm 
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shnoza wrote:
For a tt setup, would you have one turbo slightly bigger. so you would have one small and one big. So the smaller one would make boost down low and the bigger one for higher rpm.
Or am i completely wrong?


No .. at low boost one turbo will overpower the other and spin it backwards....
On a V8 one bank feeds EACH turbo... On the sequential engines all cylinders feed to BOTH turbo's....

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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