TwinTurbo.NET: Nissan 300ZX forum - when is race gas needed?
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Subject when is race gas needed?
     
Posted by ricky6991 on August 04, 2009 at 2:19 PM
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Message from what i have read pritty much around 20psi+ correct?

i did 160 in my z with the pe 850cc's and the a/f was at 10.5 on 18psi in 5th gear obviously lol.

i havent gone any higher cause i read somewhere race gas would be my only option. even though i would probly have a low 11 a/f with 93.

Also, im going to the track on friday and want to run racegas but im not sure which octane. 100 and 110 is same price in RI (8.15gallon) and c16 is 15.xx a gallon. i dont need alot cause im only doing acouple runs cause i have no tires. the car doesnt really loose much traction cause stock suspension though.

never used racegas but heard it was a night and day difference even on low boost. i want to try it out at the track just not sure which octane to go for (21psi mabe 22 cause it spikes and goes down)

     
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