Turbo question
#1
Turbo question
Looking to upgrade the turbo at some point but really after midrange performance, the options i have decided on are the td05 18g and 20g.
What are the pros and cons of each turbo? For everyday driving which turbo would provide better real world performance?
banny
What are the pros and cons of each turbo? For everyday driving which turbo would provide better real world performance?
banny
#2
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My brother who is on hear has just had the tdo5 fitted with the 18g, he is scoobytyson on here, he may be able to tell you what the gains were over the stock turbo
#3
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I've just had the 18G fitted on my sti 7,I was told the 18G would be better than the 20G overall because it has a better midrange and no surge problems.
#5
You can find very much usefull information on this dilemma here:
http://bbs.scoobynet.co.uk/showthread.php?t=482117
In generel 18G - no surge if you stay below 1,3bar (or 1,4 according to AndyF) at low rpm - god everyday use with good midrange torque - 20G almost the same - little less midrange torque - better dyno bhp at high rpm
http://bbs.scoobynet.co.uk/showthread.php?t=482117
In generel 18G - no surge if you stay below 1,3bar (or 1,4 according to AndyF) at low rpm - god everyday use with good midrange torque - 20G almost the same - little less midrange torque - better dyno bhp at high rpm
Last edited by impreza.dk; 21 February 2006 at 10:37 PM.
#7
Originally Posted by evonorth
Is that all they run at about 1.3bar
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#9
Originally Posted by banny sti
I thought the 18G did not suffer any surge problems, this problems only affected the 20G.
#10
Hi Banny
Your bit's should be with you today mate,
My club mate just got his 97 Terzo classic re-mapped on monday with a TD05 16g front entry and got 331.6 bhp with the usual supporting mods running 1.4 bar boost. I had a quick go and it was very drivable with boost coming in very comparable with the TD04, I was expecting more lag, but above 3,500 revs it's like 100 bhp NOS injection, so agresive and ALL THE WAY up to 7,500 rpm it's mind blowing.
I have not driven a car fitted with an 18 or 20g TD05 to compare but am sure that a 16g is hard to beat as an all rounder.
Cheers, Hans.
My club mate just got his 97 Terzo classic re-mapped on monday with a TD05 16g front entry and got 331.6 bhp with the usual supporting mods running 1.4 bar boost. I had a quick go and it was very drivable with boost coming in very comparable with the TD04, I was expecting more lag, but above 3,500 revs it's like 100 bhp NOS injection, so agresive and ALL THE WAY up to 7,500 rpm it's mind blowing.
I have not driven a car fitted with an 18 or 20g TD05 to compare but am sure that a 16g is hard to beat as an all rounder.
Cheers, Hans.
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