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Old 03-31-2009, 05:57 PM   #1
Scooby Newbie
Member#: 51500
Join Date: Dec 2003
1999 impreza rs-t

Default project mongrel???

Last year I build this MONGREL setup!

Performances modifications:
SOHC head (RS Stock)
Block ej257
Stock 99 RS intake manifold
Stock 99 RS exhaust manifold
TWE Stage 3 turbo Cams(272 HKS)
Wiseco [email protected] compression Piston
K1 Carrillo Rod
Cosworth bearing
Cometics head gasquet
ARP stud
Lachute Hi-Flow oil pump
Cosworth belt retaner
Gates Racing Belt

Lachute 3" Turbo/Back Exhaust
Zero Sport Radiator Wind Deflector
Halley Fuel Pump (650 hp)
K&N Air Filter and Intake
Go Fast Bits Blow Of Valves
Custom Up-Pipe and Down-pipe
Gready Front Mont Intercooler
Garrett GT3076R ar.82 Turbo
Turbonetics Delta-Gate Wastgate
Turbonetics Manual Boost Controler
FAL Engine oil Cooler
Unorthodox Racing Full Pulley Kit
Power Entreprise 850cc Injectors
HYdra Nemesis EMS

This setup was good for 348WHP an 401TQ at 22pis of boost!

This year I replace the X-member to install a real reversed mont turbo kit from Lachute Performance (wrx style), replace the WG for a Tial 44mm, replace the exhaust manifold for a (Fullrace style) Lachute Preformance headers, replace the RS Intake manifold for a 2005 2.5I manifold and install a Hydramist kit! I also replace the smal (23*9.5*2.5) greedy IC for a bigger garret (26*12*3.5) IC!

How much HP and TQ should I targuet to have or gain???
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Last edited by OB2; 04-01-2009 at 07:40 AM.
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Old 04-01-2009, 04:13 AM   #2
Scooby Specialist
Member#: 30798
Join Date: Dec 2002
Location: kansas city ks
2001 RS-T Hybrid


If you have a true garrett core and no problems with the heads flowing you should be able to pick up atleast another 50 hp.
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