emissions
I have an 88 rx7 in Illinois. Last time I had emissions testing, I came up twice the amt. of hydrocarbons and carbon monoxide allowed, and paid the 456$ to get the waver. Well, it's that time again, and I'd rather not have to dish out the money again. I know other people are passing out there, and I'd appreciate any advice. On a related note, what would be a safe amount of octane to mix with my gas for it?
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