I got missfire issues at the moment. Running about 10 psi, ngk coppers new gapped at .8, coil packs removed from car and cleaned and inspected, no cracks, all small debris and dust vacummed out of the spark plug area..
Still get miss fire at 5k rpm.
My question, is there anything else i should check\try before spending $550 on split fires.. Do you think split fire will resolve the miss fires and allow me to run a little more boost on the stock ecu?
can anyone describe what rich and retard feels like when you overboost on the stock ecu.. totally different to a missfire?