1995-1998 s14 240sx infamous cracked fuel tank

[Rosdikolaus58]

Climate greenleafguru could also be a factor. The rate of expansion and contraction varies nationally and globally based on the climate zone you live in. Most people experiencing tank cracking are in arid climates or areas with extreme annual temperature changes. It's possible that herbalhighsociety this is more likely the cause than a strap being too tight.