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Message: <blockquote data-quote="shiroitenshi" data-source="post: 2518084" data-attributes="member: 27518">Well, I think I finally figured out an idea to tune turbos agressively without risking detonation at higher boosts, but I don't play turbo(yet) so this remains a theory at best.One risk of tuning turbos is running too high an ignition value and causing pre-ignition/detonation, that really kills your engine. The thing with turbos is that as you run higher boost pressures, even slight knocking is enough to kill your engine, unlike NA, where slight knocking is tolerable to a certain extent.One thing I think is helpful is by monitoring the cylinder head temps (CHT), because they show temp buildup faster than what exhaust temp esp. since the exh temp is usually mounted far away from the primary header bends will show. Assuming you know the safe limit of CHT, then you can tune your turbo aggresively without risking pre-ignition/detonation.Well, if you plan to turbocharge, one thing I worry about is figuring out the ignition timing at higher boost levels. At high boost, the engine is not so tolerant to misfires and knocking/detonation. what I think is currently happening is that most tune conservatively, so although it generates a lot of power, there's probably leeway for more.</blockquote>

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