Coilover suspension that holds up well to road salt and winter
I am looking at possibly upgrading from 5100's and OME springs as my rig has more weight now and I am taking it to harsher areas. Since the roads get salted/brined in winter here in CO, I am trying to find options that will hold up to road salt better as I do most of my offroad activities in the winter. Most likely aluminum options and I want it to be fully adjustable with a 700lb front spring option.
Options I know of: OME BP-51 Elka 2.5 Something else I am hoping they release is the Fox Performance Elite line for the 4runner, but that has not been announced at all yet. It seems like Elka does not have an extended travel option, and I am not sure about the BP-51's. Are there any other aluminum options? And how do King/Fox 2.5 hold up to road salt/winter? |
Painted shocks will probably hold up better than the aluminum. If you watch "Tinkerer's Adventure" on youtube about Ironman shocks you will hear/see his discussion and see his corroded aluminum shocks. He lives in northeast.
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I went with the Ironman Foam Cell Pro. No regrets. Kept stock ride height with stock springs. Wait for a 25% off sale and be sure to get the tool to adjust/ rebuild them. Should set you back about 1100 for front and back.
Certainly less expensive options out there but not if you want to be able to rebuild or change valving. |
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The ironman shocks look good, but not sure if they would be as durable as some of the higher performance type shocks. After this hunting season i want to up my durability as I plan to take my 4runner and push it harder offroad. One of the guys I went with has a ram 3500, got stuck and his front driveshaft snapped on both ends and fell out lol. The combination of wanting to increase durability and my increased weight is pushing me to upgrade since I think I am approaching the limit of the 5100's. I have an SSO Rack, RTT when camping, dual batteries, magnuson, fridge in the back, warn bumper with 12k winch, RSG Sliders and RSG full armor(on order). I don't think the 5100's can handle OME 2886 springs+harder wheeling. |
I called Fox regarding the issue of corrosion, and they recommended a product called Steel It be sprayed on the springs and bodies. It’s a spray paint with stainless steel particles in it, which is better than regular paint products for corrosion.
I also top coated with CRC corrosion inhibitor, which is a waxy coating. I disassembled the coil overs when new before install, coated with 3 coats of steel it, and 1 good coat of CRC and reassembled. Be careful with how much steel it you put on the threaded area, it will be difficult to turn the spring perch if you put more that 2 light coats. I used more CRC in this area as top coat. Both seem to be working well for me so far. - Mark |
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The CRC Corrosion Inhibitor is definitely a good option. It's best when applied to new parts. I contacted them and was told not to put it on top of any rust. Fluid Film or Surface Shield is a better bet there. The CRC product is cosmoline and dries to a waxy consistency and appears to be less likely to wash away like FF.
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I found the fluid film so so on rear shock bodies from Kings. If its really wet out on the highway the water washes fluid film off quickly. Forget washing your vehicle it comes off fast. It works well but lasts not long at all. I have a lot of corrosion now on my rear kings, front kings still fine.
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I use T9 Boeshield, which seems to hold up OK, and works well at preventing rust. I hear good things about CRC Heavy Duty Corrosion Inhibitor. Project Farm on YoutTube did a good test of various corrosion inhibitors.
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It sounds like CRC is the way to go for coating the coilovers. I have never coated my 5100's and have 0 rust on them so maybe the salt situation isn't as bad here in Colorado than I think?
I did clean and coat the inside of my frame with 3m cavity wax a while ago which seems similar to the waxy CRC stuff but meant for inside frames, doors etc. so I would think the CRC coating would do great on suspension parts. Anyone using the CRC corrosion inhibitor on Fox/Kings with success? if so I may go this route if I cannot get the Fox performance elite line. |
Coilover suspension that holds up well to road salt and winter
Some folks here argue that the magnesium chloride they use is less corrosive than the sodium chloride they use in other regions, but at the end of the day it’s still a corrosive salt.
I think the primary differences, having come from the rust belt myself, is that there is much less humidity here year round and even the winters are relatively dry most of the year. After a snowstorm here in Denver the roads and everything else are clean and dried up within days. In Michigan the roads are constantly coated in a moist brine all season long. Sent from my iPhone using Tapatalk |
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I’ll have to snap some pics this week. I put the IMS on two years ago and have put almost 60k miles on them since then. They’ve spent more time in Michigan however as I only just moved to Denver last summer. Sent from my iPhone using Tapatalk |
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