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My 5.7 is detonating (pinging) on low RPM.
Over the past couple of weeks my 5.7 (stock apart from Mopar CAI) has been suffering from detonation on low throttle. I have run BP Premium unleaded in this beastie since I bought it apart from a couple of tanks of 91 when I was being a tight arse. It started detonating on 95 ron, so I bumped it to 98 and I reckon it is getting worse. Any light throttle and the rattle is bad enough for me to be very concerned.
Anybody else had this problem? I am off to the dealers next week to get it investigated, but was really curious to see if anyone else's 5.7's have suffered from this.
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Dec 2007 300C hemi.
Prestige Grille, Wheels, lowered and Tint
4 R31 Skylines
Crazy Skyline Lady 
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