The schematics posted above are for the older SBC 5.0 / 5.7 liter engines used in the Express Vans. The above posted schematics are very useful for converting an older SBC to an '0411 PCM, but are not the schematics needed for the LS 4.8/5.3/6.0 engines. I think I have the actual photo copy versions of the scanned to .pdf schematics posted above.
One important thing to consider for using an LS engine is the throttle body, Drive By Wire (DBW) and Drive By Cable (DBC)! Do some homework before buying parts!
dave w
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