how do i run 13's with a 04 WRX?
07-24-2003, 04:32 AM
#1
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Thread Starter
Join Date: Apr 2003
Location: california, LOS ANGELES
Posts: 1,013
Car Info: dream car Subaru STi
how do i run 13's with a 04 WRX?
hey what are cheap upgrades i can do to fix up my WRX to run low 13's like the STi?
need expert advise please.
need expert advise please.
frederick
07-24-2003, 08:18 PM
#11
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Join Date: Jul 2003
Location: Palo Alto
Posts: 3,150
Car Info: GT35R, Meth
An MBC is a type a "boost controller" which controls the amount of boost the turbo is giving the vehicle.
There are 2 types: Electrical, which uses a remote often cabin controlled solenoid to regulate airflow, and manual-mechanical, which uses a valve that needs to be adjusted by hand.
A 50 dollar MBC will already put you in the high 13's by turning boost up to 15, 16 psi but no more. You do this by getting a boost guage, and turning the **** up slowly until the guage reads the desired boost while you are at full throttle and ~5000 rpm in 3rd or 4th gear.
However the increased boost also increases exhaust temperatures. (A turbo is a device that increases the mechanical efficiency of an engine. Carnot's law says more efficiency = bigger difference in temperature thus upping boost increases temperature. This is bad, because the car was designed to work at a 'stock' temperature. To make a really long story short, what you can do to help is to remove restrictions in the exhaust path. There are restrictions in the exhaust, and getting rid of those restrictions, such as catalytic converters, will help make things 'mellow'. This means an uppipe at least.
Uppipe, boost controller, probably somemore exhaust components will definately make a WRX a solid 13 second car. Uppipe can be free if you gut your own.
There are 2 types: Electrical, which uses a remote often cabin controlled solenoid to regulate airflow, and manual-mechanical, which uses a valve that needs to be adjusted by hand.
A 50 dollar MBC will already put you in the high 13's by turning boost up to 15, 16 psi but no more. You do this by getting a boost guage, and turning the **** up slowly until the guage reads the desired boost while you are at full throttle and ~5000 rpm in 3rd or 4th gear.
However the increased boost also increases exhaust temperatures. (A turbo is a device that increases the mechanical efficiency of an engine. Carnot's law says more efficiency = bigger difference in temperature thus upping boost increases temperature. This is bad, because the car was designed to work at a 'stock' temperature. To make a really long story short, what you can do to help is to remove restrictions in the exhaust path. There are restrictions in the exhaust, and getting rid of those restrictions, such as catalytic converters, will help make things 'mellow'. This means an uppipe at least.
Uppipe, boost controller, probably somemore exhaust components will definately make a WRX a solid 13 second car. Uppipe can be free if you gut your own.
07-29-2003, 12:16 AM
#14
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Thread Starter
Join Date: Apr 2003
Location: california, LOS ANGELES
Posts: 1,013
Car Info: dream car Subaru STi
hehehehehe thanks 2ylite.
hehehe
i have that issue too i subscribe to scc. good thing i read it cause i had no idea about the vishnu WRX until i carefully read the whole article. hehehe i am very happy now. =)
ill make my own version of vishnu just not with vishnu parts
ill get - new better turbocharger
-Sti injectors
-walbrofuel 255 LPH fuel pump
-reflashed ecu
-cusco headers
-greddy 3' catless exhaust system
what do you experts think about this setup? please need good suggestions, thanks
-mike
hehehe
i have that issue too i subscribe to scc. good thing i read it cause i had no idea about the vishnu WRX until i carefully read the whole article. hehehe i am very happy now. =)
ill make my own version of vishnu just not with vishnu parts
ill get - new better turbocharger
-Sti injectors
-walbrofuel 255 LPH fuel pump
-reflashed ecu
-cusco headers
-greddy 3' catless exhaust system
what do you experts think about this setup? please need good suggestions, thanks
-mike