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fuel questions, please help me!!

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Well can't really say I've ever had a fast vehicle but I'm driving a 08 Ava and its great plus safe for me and I'm 18 now my younger brother is 17 and he has a 84 chevy hot rod truck that has a custom cammed 350 in it and its too bad for him.
 
A few years back we had a racing car group in town that was running race fuels in thier street cars. Needless to say after a few really nasty accidents involving them on the streets, they made it so you can only get the fuel if your "race approved". They claimed that having access to the race fuels allowed the kids to "overpower" thier vehicles and as a result, it was causing more and more teenage deaths, ect. Street racers will be street racers either way, but in a way I kinda have to agree with it. No offence to any teens on here, but kids really dont need that much power. Most are too inexpereinced to be able to hadle that kind of output. JMO.

Having race fuel in your car doesn't make it faster unless you bump the timing up, or have some sorta turbo/supercharger/heavy shot of nitrous to make it where your engine doesn't frag from detonatonation. I have a 96 mustang cobra with a ton of modifications, had it since I was 19, and now I'm 21. I also had a taurus SHO (which is faster than most "fast" import cars even unmodified) as my first car when I was 16, its not the car that overpowers anything. Its the drivers skill that can't accept the car. I never ran race gas in my cobra, but have street raced it quite a bit. I was going to mix some race gas in just in case when on nitrous even though it wasn't actually needed. Another big thing with kids with fast cars that can't handle them has to do with posi, both wheels spin but sometimes it swaps back and forth and is not stable. I have a detroit locker(bascially a spool) in my cobra, and even when the tires are spinning, it goes straight.
 
mixing does nothing to destroy...but if the tuning is off then the engine will be affected...always run rich and then lean it out a bit...
 
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