Still struggling with car at idle after 8 years

[Yarb]

Those contraptions are called non-foulers that were sold many years ago for worn out motors burning oil. Definitely not a permanent fix by any means. They came about over 50 years ago when I worked in my family’s auto part store.

[gundee]

I have this neat tool I would love to test number 4 with.

Spark KV, Burn KV, Burn time in ms.