Quote:
Originally Posted by SoSideways
Well I told gunluv to check in on this thread, but his computers at work are setup to where he can't browse forums, so hopefully he will chime in after he gets off of work.
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alright, let me make this short and sweet
My S14 is pretty much still alive and rust free. I have these 2-parts foam in the car for over 3 years now, I drove in South GA torrential rain in many occasions, no problem. These are 99.9% closed cell marine grade foam, boat/yacht industry used this stuff for years. It doesn't absorb moisture, and if condensate or standing water find a way to get in there, it will evaporate out. Don't be surprise how porous steel unibody is, water will find a way in/out - QUICK!
Ever since I graduated from school, I passed my structural foam research to other undergrad lower class-man, and I have foamed at least 3 more cars since then. The most successful case was a 1986 Toyota Corolla hatchback. We turned this AE86 from a wet noodle box to something that's track-worthy. Not quite NismoZ, 370z, or S2000 stiff, but best chassis stiffnening you can do in your garage without a cage and weight penalty.
Use 2lb/ft3 density for pillars if you can. 8lb density for rocker panel.
Learn from my "mistake", 8lb density for the rockers are definitely worth it.