5.7L (345 cu in) HEMI V8 Specific Topics
Stock 2010 5.7 140,000 miles new coil packs and iridium plugs.
Stumbles upon light load or acceleration. Downshfts and runs fine.
Graph on scantool shows timing at 4 deg BTDC and dips to 2 deg ATDC with light load at 1500 rpm stumbling down the road. Cruising is around 20 deg BTDC. Downshift to...