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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality


Awesome product for removing carbon build up in top part of intake and piston chambers


Works great for cleaning the carbon build of from the lower intake runners, backs of the intake valves and the tops of the pistons.


The remaining thick black solution was expelled by cranking the engine over several times with the spark plugs removed.


Developed a miss on cylinder 4 after a good rip on the highway in my integra gsr, and after a compression and leak down test fo...  Read More

Price


I cannot afford every j-xxxx gm dealer tool costing several hundred dollars; i used my shop vac to suck out all the coolant in ...  Read More


Also, an inexpensive fuel line release tool is needed.

Competitiveness


I picked up this ac delco (10-3015) 32oz can as a substitute for the discontinued ac delco x66p.


Heard about this in forums, as being superior to other top engine treatments.

Overview

  • How are reviewers describing this item?
    great and clean.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 80% high quality reviews are present.
  • This product had a total of 217 reviews as of our last analysis date on Dec 2 2024.

Helpful InsightsBETA

The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    Note your engine will smoke considerably until all of the remaining cleaner is burned up


    Posted by a reviewer on Amazon

    No check engine light was set off


    Posted by a reviewer on Amazon

    Use at your own risk it worked for me may not for you


    Posted by a reviewer on Amazon

    The old x66 top engine cleaner is discontiunued i used it in past at felix chervrolet when i was a tech thier 30 years ago


    Posted by a reviewer on Amazon

    Ive been trying to clean these pistons with brake cleaner carb cleaner sea foam and several other cleaners nothing really worked at all then i took a chance on this and wow did it work great


    Posted by a reviewer on Amazon

    I poured a small amount onto a paper towel and coated the piston as i did this i could see it start to run off right away gave it a few seconds and bam it wiped off like a nonstick skillet with just a paper towel crazy


    Posted by a reviewer on Amazon

    Although initially the posttreatment cylinder compression read 4 lower at first the engine ran smoother and more quietly peppier and the engine monitor readout of mileage went up by 10


    Posted by a reviewer on Amazon

    Soaked the pistons by pouring it down the spark plug holes and letting it set

Review Count History
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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

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