Subject	More info
Posted by	my91z on November 15, 2006 at 1:36 PM
	This message has been viewed 32 times.
In Reply To	Actually, I ran up against the EXACT same problem. posted by CaliguyPurdue on November 15, 2006 at 01:19 PM
Message	The tool has to have its orifice sized for a particular pressure for the test to be meaningful. You can't just feed it "between 7 and 100 psi" like the instructions say, it will give you a worthless reading. It appears they pretty much just copied part of the first set of instructions I've linked to below, then someone who doesn't understand how the tool works tried to add something about the colored gauge. La-Z-Link This Snap-on gauge looks suspiciously similar to the Harbor Freight one: La-Z-Link Mike ------------------------------------------------------
Follow Ups	My Zcon souvenir... ~25% Leakdown! :) - CaliguyPurdue 11:55:32 11/15/06 What brand tester did you use? (n/m) - my91z 12:03:39 11/15/06 Harbor Freight ;) (n/m) - CaliguyPurdue 12:08:08 11/15/06 Did you read my post yesterday? (link) >> - my91z 12:16:23 11/15/06 Actually, I ran up against the EXACT same problem. - CaliguyPurdue 13:19:48 11/15/06 Yup >> - my91z 13:27:58 11/15/06 More info - my91z 13:36:04 11/15/06 The reason they use two guages with a separate regulator - AzHeat 11:27:25 11/16/06 Even more info - my91z 13:45:14 11/15/06 Final info - my91z 14:48:01 11/15/06 Awesome leg work there! I agree with your - CaliguyPurdue 16:10:44 11/15/06 Cool, hope it works as it should. >> - my91z 16:22:44 11/15/06 The 0-100psi guage i got this afternoon worked great... - CaliguyPurdue 02:56:43 11/16/06 Here is how to size the orifice correctly >> - my91z 12:44:42 11/16/06 Thanks that's good info... - CaliguyPurdue 14:35:03 11/16/06 For a Purdue Engineer you sound clueless. (n/m) - AzHeat 17:52:00 11/16/06 Hey Orfice man that link has nothing to do with - AzHeat 17:50:21 11/16/06 did you do it right? - aliaZ 12:47:09 11/15/06 Besides the gauge shenanigans, it was as close to - CaliguyPurdue 13:22:01 11/15/06 That only applies to #1 cylinder. You sound like - AzHeat 18:33:42 11/15/06 Mmkay... - CaliguyPurdue 03:02:01 11/16/06 Did you ever hear the story of how NASA - AzHeat 14:01:16 11/16/06 Good for them. Small price to pay for data security... - CaliguyPurdue 14:30:34 11/16/06 Not if you use a N0.2 pencil. $1 million back - AzHeat 17:43:56 11/16/06 1M really doesn't go that far in the aerospace industry. - CaliguyPurdue 19:59:45 11/16/06 In the 1960's it does. (n/m) - AzHeat 20:33:45 11/16/06 Just make your own tester. It is so easy it is child - AzHeat 16:38:17 11/15/06 I try not to fab things i can easily buy... ID rather spend - CaliguyPurdue 18:20:46 11/15/06 Yea, sounds like it. You can have easily have - AzHeat 18:29:48 11/15/06 What crawled up your Az??? (n/m) - CaliguyPurdue 02:52:46 11/16/06 He's a moron, please ignore him. - Kenny 09:24:01 11/16/06 Kenny, if you have nothing to contribute STFU - AzHeat 11:10:54 11/16/06 lol, thus proving my point. (n/m) - Kenny 11:22:15 11/16/06 exactly, STFU and stick that in your tail pipe and drive it (n/m) - AzHeat 11:29:03 11/16/06 I'm sorry about what your parents did to you, but don't... - Kenny 13:55:59 11/16/06 I'm sorry your dad didn't pull out. (n/m) - AzHeat 14:09:19 11/16/06 Its ok his dad is almost done... go to a happy place. (n/m) - CaliguyPurdue 14:36:16 11/16/06 So you are an engineer who went to Purdue and - AzHeat 17:46:27 11/16/06 I did and Purdue is. Please post your resume... - CaliguyPurdue 19:54:52 11/16/06 I have empirical experience . I created my own - AzHeat 20:40:30 11/16/06 I trust empirical as well as long as the rationale is - CaliguyPurdue 03:30:36 11/17/06 The regulator on my compressor is the exact same regulator - AzHeat 12:19:16 11/17/06 Here is why the commerical use two guages and regulator - AzHeat 11:30:40 11/16/06 False - my91z 09:13:33 11/16/06 Meaningless? If there is no leak I get 100psi . - AzHeat 11:09:39 11/16/06 Again, clueless. You need the orifice to measure the - my91z 11:48:42 11/16/06 You can't figure out a harbor freight tester and you - AzHeat 11:55:41 11/16/06 Mister Mechanical and aero space engineeer - AzHeat 17:59:17 11/16/06 Here's the correct way to fabricate a DIY leakdown tester >> - my91z 09:16:19 11/16/06 The orfice is built into the pressure guage itself. - AzHeat 11:07:01 11/16/06 You have no clue. Air does not flow through a pressure gauge - my91z 11:46:00 11/16/06 Hey Pressure guage measures pressure via an orfice. - AzHeat 11:53:04 11/16/06 Mechanical pressure guages do not regulate the - CaliguyPurdue 20:04:06 11/16/06 You are right, the orfice which is included does that (n/m) - AzHeat 20:41:30 11/16/06
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