Ok. I am not familiar with STR, but There are provisions to use tanks in Street Prepared such as ASP, which I run in... The catch is u have to maintain 80% of the OEM capacity and it needs to be within a few inches of the stock location.
Good luck. Good to see another rule abiding racer.
I have a tank design that is SCCA compliant. I run with a gallon or less (national level courses).... Not trying to make money, but if u r serious about rule compliance and functionality I can help. I just want to get some of my development dollars back. I would authorize a particular weld shop to build my design for you for a small fee. And then their cost to u would probably be less than $1K for the tank. If interested, let me know and I'll talk I through the design so u know its real
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