Looks like he's using 2Xs on the jack and the stands. The main thing here is that the rim has someting a bit softer than it to "bite into". I've jacked my car up using 3-4 thing pieces of plywood in the jack "dish," 2X10s at the wheels and doing it incrementally as he suggests. Additionally, being a belt and suspenders guy, I put the brake on, keep the car in gear and chock all wheels
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Zib
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