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  #1  
Old 03-31-2011, 07:31 PM
racsan racsan is offline
exceding the limits
 
Join Date: Jun 2009
Posts: 169
Default making non-stainless step bars last.

8 years ago when i got my used truck i went with a set of westin black-painted std steel step bars. i noticed the insides were unpainted and knowing that most rotten step bars id seen seem to rust from the inside out, i thought id try painting the insides. i poured 1/2 a qt of black rustoleum paint inside each one, turned them, tilted them back and forth, trying my best to coat the inside of a 3" pipe that i couldnt see. put them on and kept up with the outside as best as i could, waxing in the summer, painting any rusty spots, running huge front mud flaps to try and keep gravel damage at bay. took them off this week because i had noticed the step pads were loose and under the drivers side one there was a rust hole, knocked on them with a shot hammer and poured all sorts of rusty wet crap out. found a few pinholes i was unaware of. im going to completely sand the outside and im wondering what i could pour inside. liquid bedliner? construction expanding foam? or should i just let be and be glad ive gotton 8 years out of a non-stainless step bar set? im not sure what the normal service life for a product like this is, my truck is driven daily, year round, and they seem to salt 1/2" for every 1/4" of snow we get around here. im thinking construction foam would just hold water like a sponge, dont know how well bedliner would stick, i cant prep the inside like you can a truck bed. if it wouldnt take so much to do, id almost consider putting a grease fitting on and fill them with grease, i considered used motor oil if i could indeed completely seal it up. anyone tried anything that worked? or by the time they rotted through it was time to get another truck anyhow? i doubt i'l have it another 8 years, so im thinking of trying to make what i have go a few more years.
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1993 ranger s/c 4.0 hurst-equipped 5-spd,3.73s ,4x4, milemarker hubs, black grille guard/tube steps,summit rear diff cover with bearing load supports.
"the green machine" (retired-r.i.p.)
'92 reg cab longbed 2.3 "polar express" (stolen)
' 97 reg cab 3.0 auto ($500 project truck)-rolled
'94 2wd longbed 2.3 manual trans
pictures--> https://www.flickr.com/photos/154582...h/37156884305/
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  #2  
Old 04-01-2011, 02:42 PM
Skylark65 Skylark65 is offline
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Join Date: Aug 2010
Posts: 3,717
Default Re: making non-stainless step bars last.

the ones that were on my truck when i got it had held up for about 10 years, unfortinitly the hack - job install job didint. they are actually rusting from the outside in, which from what i've seen is pretty uncommon. i think if i were to try to re-do them i would coat the inside with some kind of bedliner or undercoating, then try to seal up as many of the holes as possible like the ends with silicone, then coat the outside in bedliner as well, along with the mounts.

although 8 years is a damn good run for painted step bars!
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2000 XLT 4X4, 3.0, Auto, regular cab - throttle cable mod, K&N drop in filter, taylor thundervolt 8.2 plug wires, autolite sparkplugs, Accel coil pack, AVS Ventshades, Rampage LED tailgate light bar, BFGoodrich All Terrain T/A tires, Trail F/X toolbox, cruse control pod light fix, Cobra 19 ultra II CB, lil wil antenna, pioneer door speakers, expo woodgrain radio bezal, 06+ mirrors & tails, powerdome hood

2000 XLT 4X4 Offroad, 4.0 / auto, supercab - the project truck!
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  #3  
Old 04-01-2011, 05:38 PM
racsan racsan is offline
exceding the limits
 
Join Date: Jun 2009
Posts: 169
Default Re: making non-stainless step bars last.

ive thought about filling the inside up with fiberglass resin or expanding construction foam. that would be alot of resin though, and i would think foam would just hold any maoisture to the tube. got stuff to do the outside today, using bedliner for the outside. that should stop the gravel pitting that happens yearly.
__________________
1993 ranger s/c 4.0 hurst-equipped 5-spd,3.73s ,4x4, milemarker hubs, black grille guard/tube steps,summit rear diff cover with bearing load supports.
"the green machine" (retired-r.i.p.)
'92 reg cab longbed 2.3 "polar express" (stolen)
' 97 reg cab 3.0 auto ($500 project truck)-rolled
'94 2wd longbed 2.3 manual trans
pictures--> https://www.flickr.com/photos/154582...h/37156884305/
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