without being there in person to really get a close look at everything, its a bit hard to give advice on this. When cars come into my shop with poor gaps, and knowing its been in two accidents, you have to be a bit of a detective. It looks like it's few things going on between your fenders and your hood.
When I'm gaping a front end, assuming that the doors line up correctly to the quarter panel, I usually go by this method..(this method assumes you have the front bumper off the car)
1. Losen the bolts that hold the fender on (you don't need to take them out, just let the fender move around)
2. Align the fenders to the doors, get that gap to match the same distance that the quarter and the door has.
3. Remove the hood latch. You don't want the latch to pull the hood one way or another when you close it, plus you won't have to keep popping the hood every time you need to adjust it.
4. Adjust your hood to get a good, consistent, gap on both headlights, moving it left/right/forward/back, do what you need to do. If you don't have enough movement from the hinge to the hood, then move the hinge where it bolts to the body. If something isn't going right at this point, you may have a bigger issue at hand (the car may be out of square, or damage not correctly repaired may be the issue). Keep in mind that the headlight covers are bolted onto the headlight assemblies, so there may be a little movement in them, or you can bend them slightly in one direction to achieve a gap.
4. Once the hood looks good to the headlights, then gap your fenders, keeping that same consistent gap that you had around the headlights. Adjust the rubber bumpers on the body to get your hood level with the fenders.
5. Put your latch back in. Set it as high as it will go, latch the hood, and then loosen the bolts for the latch, letting the hood drop to it's natural spot. You may have to readjust the rubber bumpers for the hood, but at this point you can tighten down the hood latch again.
6. Front bumper install.
It may take some time, just remember that these cars aren't Lego sets. It may not naturally fall into place. Fenders may be rolled in/out on the top, brackets may need a small tweak here or there to make it all fit. It's just metal, make it do what you need. If a hole is a few millimeters too small, make it bigger. I'd rather see a car with good gaps and a slotted hole, than a car with poor gaps and nothing done.
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