I've been searching quite a while now, and I've found the basic "line up the cam marks then read the marks on the crank" over and over, however I've also found posts (on a different forum) which asserts that on an '85, the test is completely innaccurat, and reference is made to a "2mm lift test".

It's not that I don't plan on replacing the chain & guides, but I'd like to know if I need to do it "right away" or if I can wait a month or so since I just got the car running yesterday (after sitting for 2 years) and I'd like to drive it around a bit and see what else needs attention.

It starts immediately and runs relatively smooth on a mix of 5 gallons of gas & a full can of GM top end cleaner, so I imagine it'll run smoother once it gets real gas.

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A.S.E Tech A1,A6,A7,A8 & MVAC 609 + EPA 608

Unless stated otherwise, any question I ask is about my greymarket 1985 380SEL.