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Review on ACDelco D577 Original Equipment Ignition by Andres Callahan

Revainrating 5 out of 5

Read Below in Coils

My original 1999 Chevrolet K3500 LS 7.4L setup required me to grind and knock out the rivets holding the ignition coil to a pair of brackets. Once the pins were gone, I saved new nuts and bolts to secure this new coil. However, the mounting holes on this particular new replacement spool were significantly misaligned making it difficult to align the holes. I ended up installing it, but I wanted to point out that it wasn't easy.

Pros
  • Best in the Niche
Cons
  • Useless Features