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I purchased a bottle of Gunk Flush from Mal-Mart and wasn’t really happy with the way it cleaned, or for that matter the way the oil drained out. It was still a little bit like Honey. I remember years ago using an Amsoil product that I can’t get in Alaska anymore. I remember after using it my oil seemed to stay clean for a very long time and when first drained after the flush the oil drained out like water.
The Gunk works and works pretty dang well + the price is right. If so inclined , try again except get the oil to temp before adding the Gunk .The comment on the oil draining like honey was the tip off to the oil being too cold . In Alaska it could take quite some running time to get the oil to temp. I'd guess 20 minutes at fast idle when in 35F ambient for example or three times the time it takes to get the coolant to temp .
Also ,
Lubegard sells direct/ships and has a really nice engine flush . Lubegard.com to read about it . It is just 7 bucks per bottle and NAPA sells it also . I bought a case of 10 or 12 for 90 bucks once because of their multi bottle discounts .
It takes alot for me to give any thing additive related a thumbs up. I too was a skeptic untill I actually tried it.
A very long time ago I posted some pics of a Auto-rx ing that I had done on a F150 Supercrew 5.4L. This was done right after I bought it used. According to the owner this motor never saw any neglect. The motor had 100k mi at the time of the auto-rxing.
I'll try to find those pics.
Found some of them wish I had one of the oil filter.
This pail was spotless before draining the oil, and the oil sat in this bucket for no more than 10 min before being dumped into a waste barrel. This oil was from the cleaning phase, 1500 miles only on it, 5w20 Castrol, and nothing else.
My .02.
Sure wish I had kept those photos on the before and after oil filters.
i'm thinking about running it in my 2001 F150 5.4 L and my 92 Galant SOHC 2.0....did you ever find those pics?
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.