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Installation Instructions for Part #: KIM01
K20A/A2/A3/Z1 Throttle Body To RBC/RRB/RBB
This adapter provides the SOLUTION for directly bolting up a
02-06 RSX-S/ITR or 02-05 Civic Si/CTR Throttle Body to an
Accord Euro R, 06-08 Civic Si, or 04-05 TSX Intake Manifold.
Ease of fitment has been confirmed for the following vehicle/engine/mount combinations:
-1992-1995 Honda Civics equipped with a K20 engine and Hasport EGK1 engine mounts
-1996-2000 Honda Civics equipped with a K20/24 engine and Hasport EKK2 engine mounts
-1994-2001 Acura Integras equipped with a K20 engine and Hasport EGK1 engine mounts
-2002-2006 Acura RSX-S/Honda ITRs with a K20 engine and all available engine mounts
Note: If attempting to install a throttle body and intake manifold into a vehicle/engine/mount
combination not currently confirmed, modifications to your chassis may be extensive.
Intake Manifold Adapter
Karcepts, Inc.
www.karcepts.com
sales@karcepts.com
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Summary of Contents for KARCEPTS KIM01
- Page 1 Installation Instructions for Part #: KIM01 K20A/A2/A3/Z1 Throttle Body To RBC/RRB/RBB Intake Manifold Adapter This adapter provides the SOLUTION for directly bolting up a 02-06 RSX-S/ITR or 02-05 Civic Si/CTR Throttle Body to an Accord Euro R, 06-08 Civic Si, or 04-05 TSX Intake Manifold.
- Page 2 If you do not believe you are qualified in performing the necessary installation and/or modifications, please find an experienced professional who can. Karcepts, Inc. will not be held responsible for improper modifications to your chassis, engine, or any other associated parts. It is your job to make certain adequate clearances are provided to fit an RBC or RRB intake manifold into your vehicle.
- Page 3 1. PREPARATION Remove the EVAP hose, brake booster hose, PCV hose, vacuum hose, water bypass hoses, throttle cable, fuel lines, fuel injector connectors, IAC valve connector, TP sensor connector, MAP sensor connector, and EVAP canister purge valve connector from your current intake manifold and throttle body setup.
- Page 4 1. PREPARATION (continued…) Line up a K20A/A2/A3/Z1 intake manifold gasket with the intake ports of the RBC/RRB manifold, and mark the manifold for cutting. Use a vice to hold the manifold securely, and cut the majority of the coolant passage from the manifold with a metal cutting disk.
- Page 5 1. PREPARATION (continued…) To clean up the cut and contour the manifold according to the markings, use a 60 grit flap disk with your grinder.
- Page 6 1. PREPARATION (continued…) Locate the port on your RBC/RRB manifold flange that stems from the nipple atop the manifold. Mark and drill a 15/32” hole into the intake manifold gasket to line up with this port. For ease of drilling and sealing, use a Hondata (or equivalent) 02-06 K20 intake manifold heat shield type gasket.
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Page 7: Installation
2. INSTALLATION Line up the 16176-RBC-004 throttle body gasket as shown. With a 6mm Allen Wrench, bolt the adapter onto the intake manifold with four M8 socket head cap screws. Line up the 16176-PRB-A01 throttle body gasket as shown. - Page 8 2. INSTALLATION (continued…) Bolt your K20A/A2/A3/Z1 throttle body to the adapter with the remaining M8 hex head cap screws and M8 lock washers. Actuate your K20A/A2/A3/Z1 throttle body by hand and observe if there are any interferences with the throttle body rotor and the adapter when opening up to simulate full throttle.
- Page 9 2. INSTALLATION (continued…) If using a K20A/A2/A3 TB, install a provided rubber plug into your RBC/RRB intake manifold MAP sensor port. Use a tool to aid with insertion. For a K20Z1 TB, relocate the MAP sensor on the TB to the MAP sensor location on the RBC/RRB intake manifold.
- Page 10 2. INSTALLATION (continued…) If trying to re-connect the stock water bypass hoses, you may find that they are too short with the new throttle body position. You can choose to loop the inlet on the block to eliminate the coolant flow to the throttle body (left image below), or obtain 5/16”...
- Page 11 3. FINAL CHECKS/CLEARANCES Because of the larger intake manifold being utilized, even in a confirmed vehicle, there are some close interferences where precautions may need to be made. The two major concerns are shown below. The IAC valve and TP sensor connector will get close to the radiator and upper radiator hose.
- Page 12 CONGRATULATIONS! YOUR RBC/RRB/RBB INSTALLATION SHOULD NOW BE COMPLETE!!!
- Page 13 Karcepts, Inc. and purchasers, consideration of doing business with each other, all purchasers take, select, and purchase said products and services from Karcepts, Inc. “as is” and “with all faults” and Karcepts, Inc. shall provide purchaser with a full and complete opportunity to examine parts, inventory or services when purchasing from Karcepts, Inc.