LS Chevrolet
INSTALLATION INSTRUCTIONS
Engine Prep:
Disconnect battery
Remove existing accessory drive and water pump.
Remove crank pulley/damper and save the crank bolt for later.
Clean front of block.
Inspect front crank seal and replace if necessary.
Install crank hub and damper per ATI LS1/LS7 Super Damper instruction sheet.
Install Damper
Follow the instructions from the manufacturer to correctly install the balancer hub and damper assembly.
Install Water Pump and Rear Alternator Bracket:
1. Install three M8 studs x 92 mm with anti seize to the passenger side of the block. They should stick out
3”. Use the double nuts provided for install if needed.
2. Install two M8 studs x 118 mm with anti seize to the driver side of the block. They should stick out 4”.
3. Install water pump gaskets and water pump over studs.
4. Install three 3/4 x 2.55 spacer posts with anti seize to passenger side studs.
5. Install rear alternator bracket and two 3/4 x 1.41 spacer posts with anti seize to driver side studs.
6. Install one M8 cap screw x 95mm with anti seize thru rear alternator bracket and water pump.
Tighten all spacers and cap screw at this time.
Install Rear Compressor Bracket:
1. Attach rear compressor bracket to water pump using two M10 cap screws x 20mm with anti
seize.
Install Compressor Bracket:
1. Install compressor bracket to passenger side spacer posts with three M8 x 25mm cap screws and
washers with anti seize. Finger tighten.
Note: Make sure waterneck and thermostat are installed on water pump first.
Install A/C Compressor:
1. Install A/C compressor using two M8 x 25mm cap screws and anti sieze. Finger tighten.