sfbd materials

i was wondering if you can use 2x3 on its side to get that extra 1" sfbd or is this a bad idea?

yes u can, but u will need more x members because it will be more prone to flexing. but it looks sicks as fuck on its side ive been throwin around that idead for a year.

i wouldnt run the tube on its side...simple enough think of a wood 2x4 stand it vertically with something under each end and stand on it. doesnt deflect....now repeat with it on its side, itll bend ....when i get home tonight ill post the actual numbers itll deflect so you can see....plus one rule of theory we use at (engineer at a rail car manufacture) we never put the weld of tube under compression or tension bending stress....something to think about

what about for use on c channel frames? on my ramcharger i plan to run 2x3x3/16" or 1/4" inside the stock frame and then trim off the excess stock frame below. also, every 12-18" i would do a big 1" hole as a bigtime spot weld. and any holes that are on the frame will be welded up with the new rail in. im thinking that wouldnt have any flex. stock frame is 1/8" or 3/16" thick and its short. wheelbase is 106". anybody have any input? and would 2x2 be okay in this application with the seam of the tube facing into the old frame...either the side or top, whichever is stronger.

thanks.

yes you can sfbd an s10 using .125 wall 2x3. especially if you're doing it where you cut down your stock frame and insert 2x3 into it. which if you're building a daily, it seems more common and really no need for a full 3/4 frame.

even if you build a 3/4 frame, as long as you build it right, you will have no problems at all. if you drag a lot.. put the frame 1/4 inch above where it would normally be, weld 1/4 strips under it to drag on.

yeah. i thought about having a plate of 1/4" along the bottom as a drag plate. keep the frame fairly stock. its easier that way.