Reinforcing the floor

[white boy]

I need some advice on reinforcing the floor, mine is too thin.
and I don't want to have my seats bust through the floor.

 

[ScottMH]

I need some advice on reinforcing the floor, mine is too thin.
and I don't want to have my seats bust through the floor.

sounds like you need some new floor pans...

 

[white boy]

its an 87 k5 blazer
but yes i do need floor pans.

 

[cdoggwsu]

Hammer them back in place and weld it up. Any welding shop will be able to take care of this if you can't/don't weld. My seat mounts had broken through the floor in multiple places both passenger and driver sides. It was around 80 bucks to have the floor repaired and some steel reinforcement/weight distribution plates installed around all of the bolt holes.

As I said the last time you asked this , the easiest thing is to weld up the cracks and then put down some plates around the holes to redistribute the force around them.

Your only other option is to build a tube frame and raise them off the floor (pics courtesy of rdn2blazer - he's got some good pics on his build thread as well).