Xcceleration

ENGINE: Xcceleration Custom Built 2.5L

Engine will fit under the hood of a GC8, WRX or STi

Xcceleration Designed and Engineered 2.5L heads, with Custom Cylinder Head Porting, Polishing and Valve job for Supercharging

*Specifically Engineered for Low and Mid-Range Torque for Acceleration

-1mm Larger Intake Valves: 22% Increased Flow (max)

-1mm Larger Exhaust Valve: 41% Increased Flow (max)

Custom Cams, Springs and Retainers, developed for Supercharging, 7500 r.p.m. Redline

Custom Billet 80mm 'Oversized' Throttle Body

Custom Built Intake Manifold - 3'' Primary Runners / 2'' Secondary Runners

2.5L Short Block, Semi-Closed Deck

Custom Long ARP Head Studs

Custom Engineered - Forged 9.1:1 Racing Pistons with High strength Carbon 5210 Bearing Steel (Cryogenically Tempered)

Custom Hi-Performance Head Gaskets w/ Copper Rings

Custom Hollow Piston Pins (Cryogenically Tempered),

Custom Long Billet Rods - Polished and Computerized Balance

Custom Forged Crankshaft - Computerized Balance, Polished then, Cryogenic and Nitride Treatment

Custom Billet Lightened Flywheel - Computerized Balance

Custom Built Twin Screw Supercharger, with Custom Brackets, 25psi

Custom Air Intake

Custom Water to Air Intercooler Cooling System

Custom By-Pass Valve - Vacuum Sensitive and 100% Recirc.

Modified Hoses and Lines

Custom Painted Engine - Red and Tubing - Silver

Custom Variable CC Injectors

STi Individual Spark Plug Coils (4) and custom made connectors

Custom Fuel Lines - Large Diameter Feed - Engine to Gas Tank

Custom Fuel Rails - Parallel Fuel Delivery, Large Diameter Feed

Link Stand-a-Lone Engine Management System - Custom Tuned - Map for 93 Octane

Racing Underdrive Power Pulleys

Performance Spark Plugs

Adjustable Fuel Pressure Regulator

AP Billet Engine Stabilizer Bracket

Engine Management: Link Stand-a-lone ECU System, for RS/WRX

START YOUR ENGINE!


SEE VIDEO OF INTIAL BREAK-IN RUN, NOW COMPLETED CLICK HERE
	Dyno Sheet results can be seen here.


We've more than doubled the Horse Power of the original SOHC engine, from 165hp to over 400hp. Wow! What an increase. We're now making 412hp and 332tq using 20psi and 93 Octane. Since our last test, we have turned up the boost to 25psi! So with Race Fuel.....who knows where the power will be?

ENGINE: Xcceleration Custom Built 2.5L Engine will fit under the hood of a GC8, WRX or STi Xcceleration Designed and Engineered 2.5L heads, with Custom Cylinder Head Porting, Polishing and Valve job for Supercharging *Specifically Engineered for Low and Mid-Range Torque for Acceleration -1mm Larger Intake Valves: 22% Increased Flow (max) -1mm Larger Exhaust Valve: 41% Increased Flow (max) Custom Cams, Springs and Retainers, developed for Supercharging, 7500 r.p.m. Redline Custom Billet 80mm 'Oversized' Throttle Body Custom Built Intake Manifold - 3'' Primary Runners / 2'' Secondary Runners 2.5L Short Block, Semi-Closed Deck Custom Long ARP Head Studs Custom Engineered - Forged 9.1:1 Racing Pistons with High strength Carbon 5210 Bearing Steel (Cryogenically Tempered) Custom Hi-Performance Head Gaskets w/ Copper Rings Custom Hollow Piston Pins (Cryogenically Tempered), Custom Long Billet Rods - Polished and Computerized Balance Custom Forged Crankshaft - Computerized Balance, Polished then, Cryogenic and Nitride Treatment Custom Billet Lightened Flywheel - Computerized Balance Custom Built Twin Screw Supercharger, with Custom Brackets, 25psi Custom Air Intake Custom Water to Air Intercooler Cooling System Custom By-Pass Valve - Vacuum Sensitive and 100% Recirc. Modified Hoses and Lines Custom Painted Engine - Red and Tubing - Silver Custom Variable CC Injectors STi Individual Spark Plug Coils (4) and custom made connectors Custom Fuel Lines - Large Diameter Feed - Engine to Gas Tank Custom Fuel Rails - Parallel Fuel Delivery, Large Diameter Feed Link Stand-a-Lone Engine Management System - Custom Tuned - Map for 93 Octane Racing Underdrive Power Pulleys Performance Spark Plugs Adjustable Fuel Pressure Regulator AP Billet Engine Stabilizer Bracket Engine Management: Link Stand-a-lone ECU System, for RS/WRX