I have a real problem with sending a fluid down a running engine. Besides, these old engines burned enough oil to keep the hole truck lubricated.
Zipper said:
"Another snake oil treatment. Just like fuel injector cleaner."
This is true with the FLAPS brands of cleaner that gets poured into the tank. Not true for the "shop" injector cleaners. I've brought a lot of plugged injectors back from the dead with ours,
Scott