Denso DAC673 6003 Ignition Coil Review

They work great! We've softened the Triton 5.4 liter engine, thanks to him for that! Got a full x8 set to replace a horrible decision to buy really cheap red x8 coils. PLEASE, if you are buying reels, DO NOT buy those amazingly cheap red ones. or yellow or blue! I had to replace both of my catalytic converters because of them and they didn't have a piece of ferrite in the spring like quality coils do (at least for my engine). The red coils melted and the springs rusted but the engine code was…

After all, I had several coils that failed in my 2008 F150 5.4 3V and didn't want to pay more than $45 for OEM Ford coils. This was a great solution to this problem. Denso makes a lot of great OEM parts for other automakers, so they are high quality but not at the OEM factory price. I made 4 coils first but ended up using Denso coils on all 8 because I just couldn't trust my factory coils anymore. Same power, but my truck finally has the kick I've been missing for so long. At the same time I…