Best way to boost power with fuel additive (racing fuel?):

you would need to advance your timing to get the most from it. I think your money would be better spent on more permenant modifications. I have found Optimax to work well as the occaisional treat.

Amy
 
i some time use octane booster in my 200sx combined with optymax you do notice a difrence
 
Nicon_23:

Is your 200 a 180 or silvia import?

You will notice improved octane more with modern turbo cars as often the ecu will auto advance, and octane is more important with higher temps associated with turbo cars.
 
ive got a s13 hybrid (s13 shell with rb25det skyline engine) if you want to chat more about it ect email me at [email protected] so we dont hyjack this thred and anoy the mods
 
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