how to gain more toarque?
26 January 2012, 04:50 PM
#1
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how to gain more toarque?
Hi all,
As above really, how can I gain more torque on a my03 wrx, will an uprated fuel pump help with this too?
Thanks jamie
As above really, how can I gain more torque on a my03 wrx, will an uprated fuel pump help with this too?
Thanks jamie
will make a massive difference 
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26 January 2012, 05:36 PM
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Yes still oe fuel pump, why does my figures seem so low to your figures?
If I had it mapped by someone else and added a fuel pump should I expect better figures?
If I had it mapped by someone else and added a fuel pump should I expect better figures?
26 January 2012, 07:41 PM
#10
easiest way is to bolt on a 2.5 bottom end, but tbh you won't get much over 320 on a wrx no matter what you do, sell save up and buy a 2.5 sti if torque is your thing.
Too many limiting factors on a 2.0l wrx, and the fuel pump is a must.
But your numbers sound about right torque to bhp ratio, some just make more than others, think more about drivability than numbers as they can vary so much dependant on so many different things and arn't the be all and end all.
Too many limiting factors on a 2.0l wrx, and the fuel pump is a must.
But your numbers sound about right torque to bhp ratio, some just make more than others, think more about drivability than numbers as they can vary so much dependant on so many different things and arn't the be all and end all.
26 January 2012, 07:52 PM
#11
I believe powerstation do tend to give lower torque figures from what i have heard, Not sure if it is true or not though, If it is i might have to update my location soon as mine was on their RR a few years back and is off to prosport in March to see how it does.
26 January 2012, 07:53 PM
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Well it drives perfect! Just always wanting more and more.. I'm tempted to sell up and buy a blob sti! I'd like a 2.5 sti but there bit more expensive and higher tax bracket I think!
I don't want to be chasing numbers as ill be here all day lol... Just your always going to want more.
Yeah I've notived people seem to round there numbers up to the 100 haha
I don't want to be chasing numbers as ill be here all day lol... Just your always going to want more.
Yeah I've notived people seem to round there numbers up to the 100 haha
26 January 2012, 09:34 PM
#14
I'm looking at doing most of what you have done except i'll fit a fmic instead of the sti top mount and i may well go sport cat and 95ron so i'll be happy with 320 ish.
Thing your stuck with is the law of diminishing returns with a wrx, how much do you spend for that little bit more power and once you get there your into thousands and then the engine lets go, if it weren't for the fact that i need a wagon i would go for the sti all day if you plan to mod, as little money brings decent rewards up to and around the 430/450 bhp relatively but it's big bucks to take a wrx to that level and above.
No doubt i'll be in the same position as you in a year..
Thing your stuck with is the law of diminishing returns with a wrx, how much do you spend for that little bit more power and once you get there your into thousands and then the engine lets go, if it weren't for the fact that i need a wagon i would go for the sti all day if you plan to mod, as little money brings decent rewards up to and around the 430/450 bhp relatively but it's big bucks to take a wrx to that level and above.
No doubt i'll be in the same position as you in a year..
27 January 2012, 10:41 PM
#16
Hi there
Our box at this stage has been Tiptronic 4EAT or if you want Autobox.Now we are running 5speed PPG.
About the gearbox,its sometimes lottery,some boxes hold 400bhp without the problem,some break in 320bhp,i would say its lucky draw.Mainly what kill boxes its not bhp,but torque
Jura
28 January 2012, 11:43 AM
#17
With your mods you should already have an improved fuel pump and I am very surprised you were not advised to fit an uprated fuel pump prior to mapping with these mods. The fuel pump has no effect whatsoever on torque per se.
For increased torque you need any modification that will allow an increase in boost and ignition advance.
Tubular headers could be a very bad move as they may reduce torque certainly lower in the rev range but subject to their design.
Ported O/E headers and matched uppipe, purpose designed, for the turbo in use will increase torque across the rev range from low down and your car will not be as asthmatic at high revs.
Anything that will reduce air charge temperatures will also add to torque and power. Keep the hot bits hot and the cold bits cold and the denser the air charge ie. the lower the temperature of the ACT the more torque you will have.
After that it is up to your mapper - choose wisely.
For increased torque you need any modification that will allow an increase in boost and ignition advance.
Tubular headers could be a very bad move as they may reduce torque certainly lower in the rev range but subject to their design.
Ported O/E headers and matched uppipe, purpose designed, for the turbo in use will increase torque across the rev range from low down and your car will not be as asthmatic at high revs.
Anything that will reduce air charge temperatures will also add to torque and power. Keep the hot bits hot and the cold bits cold and the denser the air charge ie. the lower the temperature of the ACT the more torque you will have.
After that it is up to your mapper - choose wisely.
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