I have heard some people mark the rear spindles and claim they dont need an alignment after replacing rear struts. Can this be done with an 86 Fiero? I wouldn't think so since the new struts may not be identical to the old ones?

Hard enough with your old struts, new ones, Don't think so.

I drilled a 3/16 hole for alignment in my old strut when I moved it which has nothing to do with what you asked. . A new strut isn't too hard to get pretty close by using one of those magnetic levels that magnetically stick to the rotor. It's just a matter of duplicating the setting when you adjust the new strut. Clear as mud!

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woodys 427

Making or using standard level can get close enough to drive.
Just use a digital level or plumb bob before then after is better. Both are more accurate.
https://www.fiero.nl/forum/F.../HTML/000031.html#p4
web search for diy alignment camber

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)

drilling the 1/8" hole is a good idea, I've always done that for other panels. to re align you just put in a 1/8" rivet and tighten the bolts.