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#4652755 - 01/31/18 11:32 PM leak down tester : one gauge vs two
WhyMe Offline


Registered: 12/18/12
Posts: 513
Loc: Washington for now
i have a leak down tester with a single gauge that i bought 25 years or so ago. i have only used it once and that was when i first got it. i have been learning and doing more engine stuff lately and am thinking of playing with it again

i noticed that the new ones seem to be mostly dual gauge. So is there a difference in accuracy between the two types?


Edited by WhyMe (01/31/18 11:33 PM)

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#4652818 - 02/01/18 05:41 AM Re: leak down tester : one gauge vs two [Re: WhyMe]
Iowegian Offline


Registered: 01/05/17
Posts: 273
Loc: Iowa
Article here that talks a little about 1 vs 2 gauge testers.

http://www.hotrod.com/articles/cylinder-leakdown-tester/

Here is a nice article on testing 4 different leakdown testers.
https://www.google.com/amp/www.hotrod.com/articles/hrdp-1203-budget-leakdown-testers-tested/amp/

I bought this one from Amazon.
https://www.amazon.com/OTC-5609-Cylinder-Leakage-Tester/dp/B0030EVL60
_________________________
2011 Equinox, 2.4l
2009 Sienna, 3.5l

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#4652824 - 02/01/18 05:59 AM Re: leak down tester : one gauge vs two [Re: WhyMe]
Shannow Online   content


Registered: 12/12/02
Posts: 39878
Loc: 'Stralia
always need two guages...the first one is your air supply regulator

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#4652843 - 02/01/18 06:52 AM Re: leak down tester : one gauge vs two [Re: WhyMe]
Trav Offline


Registered: 11/20/06
Posts: 18893
Loc: MA, Mittelfranken.de
Single gauges were the norm back in the day and worked fine but you had to set the compressor regulator to the desired PSI which is basically the "first gauge" on most units today.
2 Gauges are more convenient but the results are the same. No reason to replace it, accuracy is the same.
_________________________
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#4653027 - 02/01/18 10:41 AM Re: leak down tester : one gauge vs two [Re: Trav]
WhyMe Offline


Registered: 12/18/12
Posts: 513
Loc: Washington for now
Originally Posted By: Trav
Single gauges were the norm back in the day and worked fine but you had to set the compressor regulator to the desired PSI which is basically the "first gauge" on most units today.
2 Gauges are more convenient but the results are the same. No reason to replace it, accuracy is the same.


Cool. thanks for the info

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