In another car i used 18 gauge for the floor.
Car floor metal thickness.
The more structure and support you have on the bottom the thinner you can go.
The metal sandwiched together on the bottom inside of the rocker panels some of it is 060 and 040 thick so when you re working different panels and braces be aware you have different thickness s of sheet metal.
Also the rocker panels are galvanized be aware of the fumes when welding or grinding galvanized fumes are dangerous.
Specifications car hauler steel floor.
The newer cars will go 20 to 22 gage you might find it a bit thicker in a truck and my old 51 gmc 3 4ton is 16 18.
If you do have that then we recommend going with 0 045 or 0 063 1 16.
I put 16 gauge floor panels in the one i m working on now with a framework of 3 4 1 8 wall square tubing to support it so there aren t any large spans of metal to act like noisy drum heads.
Obviously thin sheetmetal won t do for a car floor that has to hold the weight of a driver in a seat but in general you should try to choose the lightest material that will serve your purpose.
20 gauge became common in more recent times and this meant 0 0359 inch thick metal still a lot to work with in bumping and metal finishing.
Seems like 14 gage.
4 leaf double eye springs tires wheels.
It has a real solid feel.
For example for a bulkhead you generally want at least 063 aluminum and that assumes that you are using your bead roller to put some shape into the sheet for strength.
Automotive sheet metal once ran in the range of 18 gauge which was 48 thousandths of an inch thick actually 0 0478 inch.
St 205 75 r15 load range c tires 5 5 bolt pattern silver mod wheels fenders.
The popular thickness would be 3 4 of some kind of wood.