There isn't anyway for an IDI like this to predetonate.. all the fuel is in the pre-chamber before it trickles into the bowl on top of the piston..
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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k
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