which octane to use?
#1
which octane to use?
i have an 02 3.8, just installed a NX wet kit (jetted at 50 right now). im not spraying yet, i need to finish up the window switch and some other small things, but should i start using 93? (or 91, i dont know what i can get here). it hasnt been tuned yet, should i wait till its tuned?
#2
Re: which octane to use?
Run whatever your high grade premium is. 91 or 93. Whichever. If your at a low altitude, you'll probably have 93 vs 91 at higher altitude areas. If your gonna get it tuned, then you should probably pull a degree or 2 of timing since i'm sure you'll go higher then a 50 shot at some point. You should get it tuned though before you spray to make sure you have a good A/F ratio while spraying. Start with jetting on the rich side then tune it in from there. You should also probably go a step colder on spark plugs also. Like an NGK TR6.
Ken R.
Ken R.
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