Quote:
Originally Posted by traintech86
i been hearing from people not to run high octane all the time. true story?
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Sorta there is no point running a way higher than needed octane as it just clogs the cat and has a less complete burn and is in the harder to ignite in relative terms. Higher octane doesn't hurt just if you run 98 octane in your Morris minor it might be a bit overkill. I run 91 in my gze which has boosted n/a pistons and that thing can light the tyres at the flick of my foot, no pinging, no detonation, no preignition runs fine. And to be honest will keep running it until I hear pinging or sense its causing problems (or blows up I'm not that concerned really I have a swap in mind if that happens
) otherwise I just hurt my wallet.
Normally not a big issue if you have your engine running right with a working O2 and and clean injectors.