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5.3L Engine Rebuild Page 31

Figure 121
Figure 121

Figure 121. Another view of the bundles of wires coming from the connectors. All the connectors are hooked up for mockup now.

Figure 122
Figure 122

Figure 122. Both O2 sensors are now installed. On the original corvette setup, there was a bracket the connectors attached to. This setup does not have that. The copper braid sleeving should be sufficent for the way they are laid out in this photo. If that does not work well, we will make a flat bracket that will attach to the valve cover at one of the center bolts then a hole drilled in it for the clip on the connector.

Figure 123
Figure 123

Figure 123. Front view of the wiring mockup. All the connectors are now connected except the alternator connector, as the alternator bracket is not ready for installation at this time.

Figure 124
Figure 124

Figure 124. Installed the harmonic balancer. This is on extremely tight, but a tool from Napa was purchased to install it, and it went on smoothly. Be sure you coat the shaft, seal and balancer bore with a light coat of engine oil before you install. The original plan was to put an SLP underdrive balancer on this. Considering that this will be doing a lot of low rpm driving the underdrive will seriously affect the power steering and charging system, so a standard balancer was chosen instead. Another advantage to an AC Delco balancer is that it is less than half the cost of the SLP balancer.


 
 
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