Quote:
Originally Posted by DRIFTER-M
I’ve seen the theory, but like FaLKon240 below, I have known kouki people it affected too - so I don’t think the theory of it being a Zenki issue only is completely true. There is another theory that the crack is caused by bad subframe bushings causing the subframe to bounce / put pressure on the tank. Maybe there is some validity to that? Would be interesting to see if someone with solid or poly bushings experienced the problem after replacing the bushings.
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As a matter of fact... I've had solid subframe bushings for i dunno... 5-8 years now. My S14 has 405,000 miles on it. Never had a cracked fuel tank. Dunno if that's a coincidence or if that's the reason.
Err someone mentioned something about clogged fuel filter and excess pressure in the tank. I'm been running a z32 tt fuel filter for the longest time. Dunno if that makes a difference or not either. Maybe less prone to clogging vs oem 240sx-sized fuel filter. I dunno, just throwing some ideas out there.