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Author Topic: Put together a SIMPLE air leak down tester for under $30  (Read 1164 times)

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Re: Put together a SIMPLE air leak down tester for under $30
« Reply #25 on: December 17, 2013, 09:35:20 am »
ok I got all the stuff except for the air chuck.

15lb psi gauge $9   amazon
copper pipe local industrial plumber shop $19
air chuck  cant be more than 3-4 bucks

i still need to cut the long pipe, i went a size bigger to help seal better, if you look at my old one you will see blak tape
i put on it to fit better.

 

i am gonna build another one that should cost $15 out of pvc. stay tuned.


all i need to do is get it solder up, i dont know how to do that, so gotta get my dads help.

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life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sidays totally worn out shouting "HOLY SH*T...WHAT A RIDE!"

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Re: Put together a SIMPLE air leak down tester for under $30
« Reply #26 on: December 17, 2013, 03:06:17 pm »
REM, so I tried measuring the plug attachment and it didn't fit any of the threads I had on the measuring tool. Turns out spark plug threads are a bit off from regular bolt threads. I imagine this allows the spark plug to get a tighter seal the more you screw it in? All the attachments I needed came with the pressure gauge I got from Harbor Freight, and in the contents they just list it as  1/4”-18 (male) x 1/8” - 27 (female) and the part that screws into that is listed as 1/8”-27 (male) x 7/32” (barbed). Look at the picture on their website to get a better idea, i posted the link earlier.
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1991 LT250R
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Re: Put together a SIMPLE air leak down tester for under $30
« Reply #27 on: December 17, 2013, 03:15:19 pm »
GrkGuy, looks real good, but just seems a bit complicated. Why didn't you just get the pressure tester from HB's website? Would have saved you all the trouble with fittings, soldering, etc. and shipping is $7 i believe.

I agree about the plugs though, they will be different depending on your setup so everyone should find what works best. I just took my carb and my exhaust flange to home depot and had plugs for both within 15 min.
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1991 LT250R
Fresh 67mm Sleeve, FMF Fatty, Boyesen Reeds, PWK39mm
DC Circuit with battery + HID head light, LED tail/stop light and horn
Crappy Plastics

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Re: Put together a SIMPLE air leak down tester for under $30
« Reply #28 on: December 21, 2013, 12:25:54 am »
Pic of the one I made I didnt take pics of the freeze plugs but this is the tester I made.
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91 Lt250r Bartlett port and head mod v force 2 Hinson Clutch Basket Cool Head Scp Pipe and silencer ,KN air filter ,EBC clutch, Ohlins  Triple rate Shocks Redone by PEP Shocks,Stock Rear Shock Redone By Pep Shock,  DG nerf Bars , Lonestar axle 2+2,Lonestar Swingarm ,Douglas Red Label rims.
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