I just got done painting the frame with a product called chassis saver which is very similar to POR-15. It took me about a half a gallon for 2 coats. My frame is an '85 short bed/reg cab. We'll see if this stuff works or not.
Oh yeah, do not shake the can once you've opened it. Trust me <img src="/forums/images/graemlins/lol.gif" alt="" />

[Linked Image]

"4X4 in upper case is $X$" Quoted from http://4crawler.com/4Runner.shtml
'00 tacoma 4WD---Sold to Toyota
'93 pickup 2WD
'85 pickup 4WD