Need help with poss detonation

TheDMan

New Member
Jul 10, 2003
3
0
0
Round Rock, TX
After installing a diablochip for my 4.10 gear install. I've noticed on two occasions that at wot I hear what sounds like rattling or pinging from the engine. I think it's poss detonation, not completly sure. I only use 93 octane now. Will octane boost help this or is there another fix? My car is an auto so I needed the chip for shift points and speedo.