How to make a Leak Down Tester- with Harbor freight parts
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- Опубліковано 3 вер 2016
- This is one way to make a leak down tester for about 20$ .
All the Parts # you need are:
#68170
#68179
#68197
#68198
#68200
#68223
#68249
#92665 - Навчання та стиль
New Part numbers, since some have been discontinued:
Regulator: #68223
Epoxy: #92665
1/4" Male - Male coupling: #63579
1/4" Female - Female coupling: #63581
1/4" NPT T-Connector: #63567
1/4" NPT Pressure Gauge: #64104
The two couplers are now in a kit: #68241 or #64681
However, this kit will now require two Male - Male 1/4" couplings since the connector comes with a female end instead of a male end.
Total (as of October 2019): $29.22
Thanks
this is the best video on this i have seen yet to date, i'm going to do this this weekend.
Real good job ! You hit it out of the park.
Thank you for such a good video. Simple and practical. I´ll gona make one for my workshop.
Great designed . Like it
Thank you...going to give it a shot
Great Video Sir!
The only video that lists the part numbers. Thank you
You're welcome
Will a .060 ( 60 thousands of an inch) hole work? I don't have a drill and I had to take that epoxy part to a welding shop and that was the smallest bit they had
40 thou or 1mm. Anything bigger or smaller will give you a false reading.
And ur absolutely sure? no place around seems to have that drill bit size and they already drilled That .060 hole 😞
Also the fitting purchased doesnt seem to fit my compression hose as there is a circular thing in the quick connect fitting that stops this from. Attaching to the hose
Great video.
nice video.
I never checked my hose for the valve always wondered why I never lost pressure..I'm gonna make one tomorrow to see if I have a burnt valve
What happens if you increase or decrease the pin hole drill size - does that affect the percentage leak readings?
Hello sirs,if incoming air pressure is 100psi & the reading in the cylinder is 20psi does that equates to 20% leakage which is within acceptable range?ty.
@MagnumOpusCustoms Good Evening! Can you please make a video of how to make a "Compression Tester" with all parts and everything just like this video please?
The fitting that has the epoxy for the restrictor, how long is that fitting? U said fill it about half way with epoxy. When I was doing some reading the restrictor needs to be 1mm by 6.7mm.
Those fittings are about an inch long so 6.7 is about half way..my question is which way does it go or does it make a difference
great idea bummed all those parts are on clearance now
Shane Gustin-Miller isn’t clearance good?
Original_Indy_04. they were on clearance all year and are gone now with no plan to be resold
Shane Gustin-Miller oh ok
Good Morning my beautiful family in these comments! Listen i went this morning to buy the parts shown in this video but i didnt see any of the parts on shelf, i would greatly appreciate help with this matter, can anyone please help me with all the part numbers for everything i need to buy for this build?
your piston needs to be at TDC to make this meaningful, right?
Yes, TDC on the compression stroke
That a 1/32" or 3/64" drill ?
I know this is a little old, but for anyone new coming along:
Unfortunately, they're both off by the same margin.
1/32" = 0.79 mm (0.2mm smaller)
3/64" = 1.19 mm (0.2mm larger)
IF you can get a 1mm drillbit, it'd be preferred, but otherwise, the 3/64" is probably the best bet.
Otherwise a 102 gauge drillbit is the closest overall.
I thought Harbor Freight had one for 25 bucks? Not to be a smart-ass.
you're right, they do sell a leak down tester for 30/40$ only problem is it's extremely inaccurate.
many people have reported issues with the gauges including the colored one that supposedly should give you a leakage reading in % . The one I made has 2 gauges that are very easy to read. When you set the first gauge at 100psi every psi of difference in the second gauge corresponds to 1% leakage. Furthermore you can always make sure that the tester is accurate by capping the end of the tester, set the compressor at 100psi and compare all 3 gauges (1on the compressor and 2 on the tester) readings, they should all be showing 100psi before performing the leak down test. if one for example reads 90psi you have a bad gauge (or a leak in the fittings )and should not perform any test with it. This is the only way to make sure that your equipment isn't faulty before taking an engine head apart.
@Urbexx Jeremy Or just build one instead of buying parts for the in store assembled one.
If you have the knowledge and ability i say go for it. Getting experience and improving your skills will also benefit you