I have a street car and was wondering how the street car guys went about using race fuel at the track and high octane (93-94) on the street?

 

Go to gas station and pump 94 gas.

You don't do anythign differently when running race fuel c116 and then going back to pump gas. With the higher octane you're preventing denonation at a higher threshold.

Obviously at the track you can run 21psi with c116 and then for the street you should only run about 11-14psi on pump gas. This is jsut an estimate, your tuner should tell you the real answers on your motor.

 

oh alright, so the 94 I would have in my tank just leave it in there and pump in some 116 octane (its either 116 or 114 my track has cant remember) and it would raise the octane on the gas already in the tank?

 

it will raise the octane to a higher one but i dont think it will make 116 at first, unless you have very lil gas in the tank which will give you as close to t 116 as it can when mixed

 

when we go to the dyno, we take the return off of the fuel pressure regulator, and attach a long hose to it and let it run into an empty gas container. the car will shut off when its outa gas.

than your set for the c16

 

I hope you don't have a catalytic converter because the race gas(being leaded) will eat the filament in the catalytic and make it almost useless. and all you have to do is load your street gas and let the race gas desolve.

 

its real hard on stock O2 sensors too!!!

 

yeah 1 tankful killed my stock o2 sensor