Body line fix?

Of course my body lines don't match up, I changed my cab mount bushings, because mine were awful, and if anything, that made it worse... What's my next move? 91 scsb, Wisconsin..

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Pics so we can see what's going on, and what your working with.

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Here ya go!

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Are the mounting pads on the cab or frame rusted out? Ive seen that happen before.

If the mounting points that the cab bushings sit on are rusted they will need to be repaired if not rusted you can shim the bushings to raise the cab. If you shim the rear bushings you will need to shim the front too or you may end up with poor gaps at the front fender to door gap. Even rad support may need a shim. Best to try to determine what caused the problem in the first place before planning the fix.

They're rusted, but solid yet. No rust holes or anything.

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These truck when hit from the rear the first place to bend is between the last cab bolt and the first box bolt where the frame kicks up. Especially if there is a hitch that takes the hit. if all the mounts are good look at the frame.

Yeah, it looks in the picture that you have a tighter bed to cabin gap at the top of the bed, is that accurate?

The door gaps look good front and rear, and the front fender seems to line up with the door nicely, so far as the bodylines.

Honestly it could be a handful of different things going on, most notably age and rust, but I'm having trouble thinking of why the bed would be that far above the actual body, it should be much closer. Even after sustaining a hard hit in the rear, you'd have a better fitment, and typically you'd have other issues.

You're certain that the bed that is currently on your truck, always was with that truck? It wasn't swapped out in the past? Because I'm thinking that someone might have raised the bed for some reason, clearance for tires or something?