Once you get your engine assembled and ready to install, you need to revisit the lift lug positions. It's not that big of a deal when it's a front-engine car with lots of access, but working down in a hole it can be a real hassle to get everything hooked up and balanced to get the engine out.
The factory lugs are generally positioned to keep the engine level while hanging from chains. Some lugs assume you have a hefty crossbar with two short chains instead of one V-chain, the crossbar is to keep the chain from crushing accessories, sheet metal covers, etc.
Ideally, you need lugs to balance the complete engine and the complete powertrain, assuming you have clearance to pull it either way.
Japanese cars usually have stamped sheet metal lugs that are small and weigh almost nothing. If you don't want them on the car, mark their positions in your build book and put them in your "special tools" box.
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