Michael South Engineering (MSR)
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WRX STI Spec C Type RA
 MSR Projects

MSR WRX STI Spec C Type RA
 
In 2006, I acquired a JDM Subaru Impreza WRX STI Spec C that had front end damage. I stripped it down, restored it, and then added the necessary modifications so that it meets CAMS regulations for rally. I also built an engine to power the rally car. It is the same engine that I run today that has allowed me to win the 2006 & 2007 NSW State Rally Sprint Championships.

Below are the full specifications of the monster powerplant that I have built.

Car
Subaru Impreza WRX STI Spec C Type RA
Engine
MSR built 16 valve, horizontal 4 cylinder
Bore x Stroke
92.0mm x 75.0mm
Aspiration
Turbocharged
- IHI turbocharger with 34mm restrictor to meet CAMS regulations
Displacement
1997cc
Exhaust
Stainless steel exhaust system with MoTeC Anti-lag system
ECU
MoTeC Programmable Engine Management System
Data Systems
Single integrated electronic system allowing for controlling engine, transmission & data logging
Power (ATW)
223kW @ 6800rpm
Torque
560Nm @ 4200rpm
Transmission
JDM close ratio 6-speed STI with DCCD
Drive System
4WD
Torque Spilt (F/R)
50/50 - 41/59
Front Differential
Mechanical type
Rear Differential
Mechanical type
Centre Differential
Electromagnetically controlled centre differential
Front Suspension
MacPherson Strut shock absorbers
Rear Suspension
Fully adjustable MacPherson Strut shock absorbers with longitudinal and tranverse links
Steering
Power steering assisted rack and pinion (2.5 turns lock to lock)
Wheels
15" Speedline gravel spec
Fuel Capacity
50L
0-100km/h
5.2 seconds (gravel)
Top Speed
220km/h
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