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Pros & Cons
pros
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Value For Money
Customers are highly satisfied with the value for money they received from this spark plug adapter by Lisle. They praise its quality and affordability.
Compatibility
Customers are highly satisfied with the compatibility of the Lisle 20540 12mm Spark Plug Adapter as it fits various compression testers and engines, allowing them to perform necessary checks on their vehicles. Some customers have noted that while the adapter works perfectly, it may increase the size of the combustion chamber and result in lower than actual compression readings for smaller engines.
Consistency Across Cylinders
Customers are generally positive about the consistency and accuracy of the Lisle 20540 12mm Spark Plug Adapter in measuring compression across cylinders for various engines, including cars, motorcycles, and small motors. Some customers have mentioned that it helped them diagnose engine problems and eliminate potential major issues. However, a few customers have suggested that the product might be better purchased in-store to ensure accuracy and trustworthiness.
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Hose Quality
Customers generally have a positive opinion about the hose quality of the Lisle 20540 Spark Plug Adapter. Most reviews praise its durability, accuracy, and well-made fittings. However, some customers have reported issues with damaged or faulty products upon arrival.
Highlights
Quality
Well constructed and sturdy, it worked fine for me.
I believe you can trust the quality and reliability of this lisle 20250
After using and getting inaccurate readings on a hf compression tester and then reading all the negative reviews on it for inac... Read More
So what i thought was a leaking exhaust valve was supposed to be leaking for engine starting.
Price
This part saved me a $500 trip to a mechanic.
This is a great, accurate tool at a great price.
A bit expensive, but it got the job done.
A little pricey for a simple piece; however works as expected.
Shipping
But i need it and i got it in one day thank you
Competitiveness
Its use is for comparing cylinders and being close to manufactures spec.
I compared it with my fellow mechanics snap-on tester and the readings were the same.
Overview
- How are reviewers describing this item?
great, good, quality, needed and made. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 425 reviews as of our last analysis date on Aug 4 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I did not check it for accuracy
Posted by a reviewer on Amazon
Most compression test gauges dont include a fitting for 12mm spark plugs
Posted by a reviewer on Amazon
It screwed onto the end of my compression gauge hose
Posted by a reviewer on Amazon
It worked but the fwd exhaust valve has a auto decompression device on the cam
Posted by a reviewer on Amazon
So what i thought was a leaking exhaust valve was supposed to be leaking for engine starting
Posted by a reviewer on Amazon
Once it starts and hits a certain rpm the decompression devices kicks out
Posted by a reviewer on Amazon
Ended up being a melted piston causing severe exhaust smoke
Posted by a reviewer on Amazon
After using and getting inaccurate readings on a hf compression tester and then reading all the negative reviews on it for inaccuracies on small motors i bought this lisle based on its reviews
Review Count History
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