B16 installation--------------------------------------------------------------------------------
Safety Notice!!
Always use and follow proper safety procedures when working.
Never work under a vehicle that is not safely supported by Jack-stands!
Wear proper safety glasses and safety equipment.
Always use the proper tool for the job you are doing.
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Additional Parts Required
90-91 Acura Integra Rear Mount Bracket
90-91 Acura Integra Modified Shift Linkage
90-91 Acura Integra Axles
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Torque all fasteners! Use Anti-seize on all threads!
Step 1: Remove radiator, front cross-member and battery tray. Remove existing engine and transmission from the engine bay (you need an open engine bay for step 2). This is a good time to clean and detail the engine bay.
Step 2: Prepare the Drivers side inner frame rail. This is done by placing duct tape over the area shown in Figure 1. A large hammer is then used (Fig. 2) to create a dimple in the area outlined in red (Fig. 1). This dimple needs to be 3/8" to 1/2" in depth to provide clearance for the alternator pully and Alternator belt. The finsihed dimple is shown in Figure 3 outlined in red.
Step 3: Loosely bolt Rear Mount to Rear Cross-member (Figure 4). Loosely install Rear Mount Bracket to Rear Mount and let it hang down as shown in Figure 5. Using a marker (white out works great) or tape, place a mark about 1/4" to the left and to the right sides of the Rear Mount Bracket as shown in Figure 5.
Step 4: Remove the Rear Mount Bracket and the Rear Mount (Figure 5). Using a large adjustable wrench, tighten it to the lip on the Cross-member at each of the marks you made and gently bend the lip downward (Figure 6). Work back and forth along the lip between the marks until it is bent down as far as the wrench will allow. Use a large hammer to finish bending the lip on the Rear Cross-member down (between the marks-see Figure 7) until the lip is flat against the vertical of the Cross-member. The finished bend is shown in Figure 8.
The finished bend is shown in Figure 8. The thing to remember is that you are just bending the lip down against the vertical rise of the Cross-member. Do not pound so hard as to distort the rest of the Cross-member!
Step 5: Reinstall Rear Mount loosely. Leave the bolts just a little looser than finger tight so that the Rear Mount can be freely moved around (see Figure 9).

Note: All three mounts will be installed loosely to allow you to properly align and position the Engine. They will be tighteded and torqued as a final step.
A Torque table is at the end of these instructions.
Step 6: You are now ready for Engine installation! Most people don't have access to an engine lift so it will be easier for you to use an Engine Hoist and install the Engine from the top. It is helpful to use a floor-jack in combinatiojn with the Engine Hoist to achieve proper angles and bolt-hole alignment
Step 7: Lift the Engine with the hoist, swing it into position, and gently lower it into the Engine bay. Make sure you don't snag any wires or lines! With the Engine in position, loosely intall the Drivers Side Mount to the Engine Bracket and to the Uni-body.
Step 8: With the Drivers Side Mount still loosely attached, gently swing the transmission side of the Engine towards the front (radiator and lower front cross-member were removed for this step). Loosely install the Rear Mount Bracket to the Rear Billet Mount.
Step 9: Swing the transmission side of the Engine back towards the Firewall and align the Engine with the Rear Mount Bracket. Lower the transmission side of the Engine and install the Billet Transmission Mount to the Transmission using the supplied bolts and washers (don't forget to use Anti-sieze). Tighten and torque the bolts to 47 ft lbs.
Step 10: Raise the Transmission side and install the Transmission Mount to the Uni-body using the long factory bolt.
Step 11: With the Drivers and Transmission Mounts loosely installed, align the Rear Mount Bracket to the holes on the Engine/Transmission assembly and install the bolts.
Step 12: Tighten and torque all bolts and nuts to factory specifications using Anti-sieze to protect the threads. Tighten and torque the Transmission Mount bushing bolt last to achieve the proper alignment and fit of the Engine and Axles.
Congratulations!
You have sucessfully installed your B16
Torque Specs (use Anti-sieze on threads) Description Size mm Torque Value
Drivers Side Thru-Bushing Bolt 12 x 1.25 54 lb-ft (74 N-m)
Drivers Mount to Riser Flange Nut 12 x 1.25 54 lb-ft (74 N-m)
Drivers Mount to Riser Bolt & Nut 12 x 1.50 54 lb-ft (74 N-m)
Trans Mount Thru-bushing Bolt 12 x 1.25 54 lb-ft (74 N-m)
Trans Mount to Trans (3 bolts) 12 x 1.25 47 lb-ft (64 N-m)
Rear Mount Thru-bushing Bolt 12 x 1.25 54 lb-ft (74 N-m)
Rear Mount to Cross-member (2 bolts) 10 x 1.25 43 lb-ft (59 N-m)
Factory Bracket to Eng. (2 lower) 14 x 1.50 87 lb-ft (118 N-m)
Factory Bracket to Eng. Upper Bolt 12 x 1.25 54 lb-ft (74 N-m)