There are various posts by a user called Trav, who cleans injectors for a living.
For carbon buildup he recommends Gumout, Redline and Techron (possibly a few others) due to the high concentration of PEA.
If you have a varnish issue follow up with a bottle of Chemtools in a few tanks time.
He recommends Top Tier fuel as a preventative.
For carbon buildup he recommends Gumout, Redline and Techron (possibly a few others) due to the high concentration of PEA.
If you have a varnish issue follow up with a bottle of Chemtools in a few tanks time.
He recommends Top Tier fuel as a preventative.