CAUTION ■ This installation manual contains important information regarding this product. For details regarding the assembly/disassembly of stock components, please refer to the vehicle's official servicing manual. ■ This product is intended for motorsport use and should only be used on a racing circuit or a circuit closed off from public roads.
KIT CONTENTS Check to ensure all the following items are included in this kit. NAME TURBOCHARGER UNIT QTY. ① COMPONENT(S) CHRA TB401B-CRA13 REBUILD KIT TB401B-RBK01 ACTUATOR TB401B-ACT15 COMPRESSOR HOUSING TB401B-COH09 COMPRESSOR WHEEL TB401B-COW10 TURBINE HOUSING TB401B-TBH10 TURBINE WHEEL TB401B-TBW02 OIL FEED ②...
KIT CONTENTS Check to ensure all the following items are included in this kit. OIL FEED ⑥ ⑦ FITTING NAME MESH HOSE 410mm NAME M10*P1.25 4AN QTY. QTY. TB401B-OFP12 TB401B-FIT17 ⑧ NAME WASHER M12 QTY. TB401B-WAS04 OIL RETURN ⑨ ⑩ NAME OIL DRAIN PIPE NAME...
KIT CONTENTS Check to ensure all the following items are included in this kit. WATER FEED ⑫ ⑬ NAME WATER BOLT NAME WASHER M14 QTY. QTY. TB401B-WTB01 TB401B-WAS02 ⑭ NAME WATER COOLANT PIPE A QTY. TB401B-WCP05 WATER RETURN ⑮ ⑯ NAME WATER BOLT NAME...
KIT CONTENTS Check to ensure all the following items are included in this kit. OTHER HARDWARE ⑱ ⑲ NAME TURBINE IN GASKET NAME TURBINE OUT GASKET QTY. QTY. TB401B-TIG04 TB401B-TOG06 ⑳ ㉑ STUD BOLT STUD BOLT NAME NAME M10*P1.25 47.5mm M10*P1.25 80mm QTY.
Page 26
TB401B-SPR07 ㉗ ㉘ ACTUATOR SPRING ACTUATOR SPRING NAME NAME PINK QTY. QTY. TB401B-SPR10 TB401B-SPR11 ㉙ ㉚ ACTUATOR SPRING ACTUATOR NIPPLE NAME NAME BLUE (STRAIGHT) QTY. QTY. TB401B-SPR12 TB401B-SAN01 ㉛ ㉜ NAME TOMEI STICKER NAME ARMS STICKER QTY. QTY. TG201A-0000A TG204A-0000A...
Page 27
KIT CONTENTS Check to ensure all the following items are included in this kit. MISC. ㉝ ㉞ NAME NAME EMBLEM TURBO MANUAL QTY. QTY. TE501A-0000A ㉟ ㊱ NAME ACTUATOR MANUAL NAME SPEC. SHEET QTY. QTY. ㊲ ㊳ NAME WARRANTY REG. CARD NAME WARRANTY REG.
Page 28
1. REMOVING THE STOCK TURBOCHARGER Disconnect the negative battery terminal. Then, remove the turbocharger and surrounding components. ■ For further details, please refer to the official servicing manual. ■ Take care not to damage the components/parts as some of these will be reused later. ■...
Page 29
2. INSTALLING THE ARMS TURBOCHARGER ■ Apply the included Bolt Smooth Paste to all bolts exposed to heat from the exhaust. This helps prevent these bolts from becoming seized. ■ Ensure each part is fitted/assembled correctly. Failing to do so may prevent you from completing the installation and can even cause damage to the turbo through insufficient cooling/lubrication.
Page 31
2-3. INSTALLING THE STUD BOLTS Install the STUD BOLTS M10*P1.25 80mm (㉑) onto the exhaust inlet flange on the turbine housing. Install the STUD BOLTS M10*P1.25 47.5mm (⑳) onto the exhaust outlet flange on the turbine housing. NOTE THE ORIENTATION OF THE STUD BOLTS ※...
Page 33
3. INSTALLING ONTO THE ENGINE ① Using the included gasket, attach the turbocharger onto exhaust manifold. ② Install the turbocharger and exhaust manifold ASSY onto the engine. ③ Install the turbo outlet and turbo bracket onto the turbocharger. ④ Connect the water coolant pipes (A & B) and the oil drain pipe to the stock hoses. Connect the water coolant pipe to the stock hose.
Page 34
5. TOPPING UP THE ENGINE OIL AND COOLANT Top up the engine oil and coolant as required. For detailed instructions and information regarding replacement parts, please refer to the official servicing manual. 6. POST INSTALLATION CHECKS & PRECAUTIONS ① Ensure the vehicle is in neutral gear and check that the parking brake is engaged. ②...
Page 35
8. ACTUATOR SPRINGS This product features interchangeable actuator springs, allowing you to set different boost pressures. Use the following information as reference to choose the appropriate spring(s) for your setup. CHOOSING ACTUATOR SPRINGS The table on the next page shows the standalone pressure/spring rate of each spring. All pressure/spring rates were measured just as the internal wastegate begins to open.
Page 37
HEAD GASKET TUNED TOMEI METAL HEAD GASKET or similar Increasing boost will naturally increase combustion pressure. To maintain a secure seal at high boost is it strongly recommended that you upgrade to a high performance head gasket with superior sealing.
Page 38
More than 240ℓ/h(3kg/㎠ fuel pressure) FUEL PUMP CAPACITY TUNED TOMEI FUEL PUMP 255ℓ/h(3kg/㎠ fuel pressure) Injector capacity×No. of cylinders×0.06 = required fuel pump capacity Fuel pumps should be operating at around 80〜90% capacity to maintain good fuel flow. AIR CLEANER...
Page 39
CATEGORY RECOMMENDATION Stock TURBINE OUTLET TUNED High flow, high efficiency type The stock turbo outlet isn't capable of expunging the exhaust gasses efficiently. Especially at high rpms with higher boost, the confined exhaust gasses are unable to flow efficiently through the turbo, causing unstable boost.
Page 40
TOMEI POWERED USA INC. 13 Orchard Suite 107 Lake Forest, CA 92630 USA TEL : +1-949-855-6577 FAX : +1-949-855-6525 http://www.tomeiusa.com OPEN: Monday - Friday (National holidays and public holidays excluded). 10:00 - 19:00 PST...
Need help?
Do you have a question about the ARMS MX7960 G4KF and is the answer not in the manual?
Questions and answers