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Re: Octane for a ZC DOHC Non-VTEC
run it on 87. The higher the octane the higher resistance to combustion. IE higher octane gas takes more compression/spark to ignite than lower octane gas. You may get a tad more power by running a higher octane but not for the price differnce (expecially with gas prices they way they are). This is because it will hold off on detination longer. Kinda like advancing the timing a bit to wait a little longer to ignite will give you a small amount more power. So if your heading to the track, go ahead and throw ome 101 in it but daily driving just go with the lowest one.
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