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#1: 12-15-2013, 10:49 PM
CovertRussian's 05 LGT 5MT Build Thread
 
 covertrussian
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Title: Boost Junkie
Rank: Donating Member
Location: VA
Car: LGT, FXT, G20+T
Posts: 470
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2005 Subaru Legacy GT 5MT
"Comfortable Daily" Build

Engine
Performance
Invidia Uppipe Part 1 Part 2
Spark Plugs & Sidegaping
Lightweight Crank Pulley - GrimmSpeed
Stromung Divorced Downpipe

Maintenance
Banjo Filter Removal
MAF Cleaning
PCV Valve
Timing Belt
Cam Seals
Water Pump
Intake Manifold Gasket
Valve Cover Gasket
Throttle Body Gasket

Tuning
Closed Loop to Open Loop Delay Disable
Timing Compensation Zeroing

Base Maps
Stage 0 Safety Tunes

MPG Tuning
Stock Tune MPG: 24.6mpg Highway
AVCS 10* - 26.1mpg (+1.5mpg) - Set AVCS to 10* at cruising RPM's
AVCS 30* - 23.2mpg (-1.4mpg) - Increased AVCS to 30*, too much overlap caused MPG loss.
AVCS 15* - 28.1mpg (+3.5mpg) - Increased AVCS advance to be 15* highway.

Suspension
EMUSA WRX Front Endlinks
Front Strut Bar: JDM STI BL/BP
Front Lowercontrol Arm Rear Bushing: Whiteline KCA334
Centric Rotors & StopTech Pads

Drivetrain
Kartboy Short Throw Shifter

Cosmetic
Trunk Lip
Headunit Install Part 1 Part 2
Plasti-Dipped Grill
09 Key/Fob Upgrade & Programming
DRL Disable
STI Homelink Mirror
JDM DCC HVAC Conversion

General Build Posts
Passenger Front Wheel Bearing, Ball Joint
Right Axle
Transmission Oil, Kartboy STS, Cabin Filter
Brake Bleeding, Diff Fluid Change, Parking Brake Adjustment
Stock Exhaust Size and Aerodynamics
Vac Leak fixing, TMIC, Stock AVCS Testing

Pictures


Common Issues
Here is a list of common issues found with these cars.
  • Turbo Failure around 80k miles - There are two things that can cause this:
    1. Subaru used turbo oil feed banjo filters that get clogged and restrict oil flow to the turbo. Failure Example
    2. Subaru used a preturbo catalytic converter that breaks up overtime and gets logged into the turbo. Please note 2007+ LGT no longer have cats in up pipes. Failure Example
  • Throwout Bearing failure at around 60k miles - The push type clutches have badly designed throw out bearings that will get stuck on the pressure plate and destroy the input shaft's snout. There is a Tranquil TSK3 snout kit, use this if your snout if yours already has damage. Sadly there is no permanent fix, even TSK3 TOB's will fail at about 60k miles.
  • Fans always stay on - This on is 5MT specific, the secondary radiator fan relay can damage the ECU causing the fans to always stay on. There is an official recall for this.
  • Dual Mass Flywheel - Dual mass flywheels should be shunned from all cars, they are big & heavy and only lead to problems. More info on DMF's. Luckily you can upgrade to 07+ single mass setup (flywheel + clutch).
  • Wheel Bearings! - As with all Subaru's, be ready to replace all of the wheel bearings. Allwheeldriveauto.com Did a two part series on Subaru bearings: Part 1, Part 2
  • Dual Climate Control is physical tied to Radio - This is a major inconvenience (if you want to user aftermarket head unit) and has issues too. If one fails it takes the other down with him, LCD screens are known to give out on these too. There is a JDM Console Swap but it will cost you around $350 for the whole setup.
  • Front O2 Sensor Failure - Seems like the Front O2 sensors fail rather often, this is probably because of the O2 sensor being in before the turbo, thus is exposed to very nigh temperatures.
  • Water Pools ontop of Fuel Rail due to Hood Scoop - Due to hoodscoop design water tends to pool around fuel rail/coolant reservoir after raining, example pics here.

Last edited by covertrussian; Today at 12:18 AM..
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Subaru Flex (01-09-2014), WPEC (06-25-2014)
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