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Discussion Starter · #1 ·
after reading the side of the can of many octane boosters, I have found they are all rip offs. raise octane 3 points, then small print is 10 points=1 octanne number. except one. NOS brand racing formula raises up to 60 points, or 6 numbers, but claims it is safe for cats, etc., but not street legal. anyone know why and if it is safe for an ls6?
 

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Dont even waste your money on them. Much better off and cheaper to buy racing gas and mix some in.
 

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Discussion Starter · #3 ·
I have my vette in Salt Lake right now, 91 crap is the best they got unless you can point me in the right direction
 

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Torco is supposedly good stuff.
 

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Our 03 Z06 runs just fine with 91 octane.
 

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Discussion Starter · #6 ·
yeah, but it is my toy, I hate to put stuff in it that robs it of it's rated performance. plus, the altitude doesn't help me on performance either :cry:
 

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Here in Denver I mix a can of NOS octane booster with a full tank of 91 and I've noticed a difference. In the absence of better fuel, it works well.
 
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