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Project KA24 Turbo - Tech Knowledge

The Beast Is Finally Unleashed

Philip Okazaki
Nov 13, 2009

It's been a long and arduous journey, but Project Turbo KA24 has finally been completed. Over the past couple of months, Naoto Negishi of NPD has dedicated long hours to complete this project. Since we last left off, the entire powertrain was installed, along with most of the necessary hardware to propel the engine to our targeted goal of 750 hp. But just as the human body doesn't survive off the heart and lungs alone, we conclude the final chapter of our build by developing the brain, veins and nervous system of the KA24, before heading off to the local dyno to see if the engine has what it takes to meet our power goal.

Impp_1001_01_o+project_ka24_turbo+main_view Photo 2/26   |   Project KA24 Turbo - Tech Knowledge

Final Verdict
Although it took a great amount of planning and work, our initial goal of building the stereotypical junk motor into a viable monster engine has been met. More so, we hope that it has shed some light on the process of building a high-output race engine. Although it may have seemed tedious, all the exacting measurements paid off in the end.

BREAKDOWN NPD PROJECT KA750
ENGINE MAKE NISSAN
ENGINE BLOCK KA24DE
BORE X STROKE 90.0 X 96.0 MM
POWER 802 HP @ 6,632 RPM
TORQUE 650.9 LB/FT @ 6,163 RPM
BOOST 2.55 KG/CM2
DYNO DRIFT SPEED DYNAPACK
BOTTOM END
CRANKSHAFT NPD FULLY COUNTERED BILLET CRANK
CONNECTING RODS BRIAN CROWER PRO SERIES
PISTONS NPD, 9.5:1 COMPRESSION WITH WPC TREATMENT
BEARINGS NISSAN OEM WITH WPC TREATMENT
OIL PUMP NISSAN OEM WITH WPC TREATMENT
CRANK PULLEY ATI
OIL PAN XCESSIVE MANUFACTURING
OIL FEED (AUXILIARY) ACCUSUMP
OIL SUMP GREDDY
CYLINDER HEAD
CYLINDER HEAD PORTING BY NPD, MACHINE WORK BY PORTFLOW
CAMSHAFTS BRIAN CROWER 272
CAM GEARS JIM WOLF TECHNOLOGY
VALVES SUPERTECH, STAINLESS AND INCONEL
VALVE SPRINGS SUPERTECH
VALVE SPRING RETAINERS SUPERTECH TITANIUM
VALVE GUIDES PORTFLOW BRONZE VALVE GUIDES
VALVE SEATS PORTFLOW BRONZE VALVE SEATS
BUCKETS SUPERTECH INNER SHIM
OTHER PARTS
OIL COOLER GREDDY
HEAD GASKET COMETIC 1.5 MM
HEAD STUDS AMS 11 MM
MAIN STUDS AMS 10 MM
THERMOSTAT NISMO
RADIATOR GREDDY
TURBO PARTS
TURBO HKS T51R-SPL
WASTEGATE TURBOSMART POWER-GATE60
EXHAUST MANIFOLD NPD SPL
DOWNPIPE NPD SPL 90 MM
INTERCOOLER GREDDY FOUR-ROW
BLOWOFF VALVE GREDDY TYPE-R
INTAKE MANIFOLD
INTAKE MANIFOLD NPD SPL
VACUUM BLOCK BLOX RACING
THROTTLE BODY NISSAN Q45
FUEL INJECTION
INJECTORS RC ENGINEERING 1,600 CC
FUEL RAIL GREDDY
FUEL PUMP AEROMOTIVE A1000 EFI SYSTEM
FUEL PRESSURE REGULATOR AEROMOTIVE A1000 EFI SYSTEM
FUEL LINES AEROMOTIVE A1000 EFI SYSTEM
ECU MOTEC M600
BOOST CONTROL MOTEC M600
TUNING NPD
HARNESS SAKATA MOTORSPORT ELECTRONICS
DASH DISPLAY AIM SPORTS MXL PRO
COIL PACKS OKADA PROJECTS PLASMA DIRECT S2000
SPARK PLUG GREDDY PRO IRIDIUM
DRIVETRAIN
FLYWHEEL AASCO MOTOSPORTS ALUMINUM FLYWHEEL
CLUTCH TILTON TRIPLE PLATE
TRANSMISSION NISSAN Z32 FIVE-SPEED
TRANSMISSION ADAPTER KIT MAZWORX

Sources

Jim Wolf Technology
El Cajon, CA 92020
619-442-0680
http://www.jimwolftechnology.com
Blox Racing
Fremont, CA 94538
510-440-1605
http://www.bloxracing.com
GReddy Performance Products
Irvine, CA 92618
949-588-8300
http://www.greddy.com
Driftspeed
Los Alamitos, CA 90720
562-342-9000
http://www.driftspeed.com
AMS
Mississauga, ON, CA
http://www.amszstore.com
Brian Crower
El Cajon, CA 92020
619-749-9018
http://www.briancrower.com
XS Engineering
Garden Grove, CA 92843
714-881-3401
http://www.xs-engineering.com
Turbosmart
Rancho Cucamonga, CA 91730
909-476-2570
http://www.turbosmartonline.com
Okada Projects
Mission Viejo, CA 92691
949-583-7800
http://www.okadaprojects.com
Port Flow Design
Harbor City, CA 90710
310-257-0351
http://www.portflow.com
Supertech Performance
San Jose, CA 95136
408-448-2001
http://www.supertechperformance.com
WPC Treatment
Torrance, CA 90503
310-782-8647
www.wpctreatment.com
Xcessive Manufacturing
Portland, OR 97223
503-504-2147
http://www.xcessivemanufacturing.com
RC Engineering
Torrance, CA 90501
310-320-2273
http://www.rceng.com
Accusump
n/a, AK
www.accusump.com
NPD (Distributed by AP Boss USA)
n/a, AK
www.apboss.com
Mazworx
407-281-1223
http://www.mazworx.com
Sakata Motorsport Electronics
Anaheim, CA 92801
714-446-9473
http://www.sakatamotorsport.com
Ultra Performance Machine
n/a, AK
714-556-0310
By Philip Okazaki
12 Articles

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