What Octane do you run and why?
#41
In my last 4runner (2000) with the V6 and in my current one (2004, V8) I get pinging on 87 octane whenever i'm putting the engine under load. Going uphill or pulling a load. If I run higher octane the pinging goes away. For a while I thought it was in my head, but as I pull up to my driveway (which is on a hill) I will always hear the pinging with the lowest octane gas. As soon as I add 91 or 93 and it gets mixed with the cheaper stuff, the pinging goes away.
I don't think the lower octane will hurt the engine as that is what the owners manual recommends, but I just hate that sound in a new engine.
I don't think the lower octane will hurt the engine as that is what the owners manual recommends, but I just hate that sound in a new engine.
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