GotTorque?
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« on: January 12, 2006, 11:53:04 AM » |
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I need to do my leak-down test (finally) and I need the cork to help me figure out where TDC is. I think it will also help me cope with the results.  That's a good reason to drink, right?... right? |
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« Last Edit: January 15, 2006, 04:34:25 PM by GotTorque? »
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Chris Wilson
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« Reply #1 on: January 12, 2006, 11:56:04 AM » |
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Yep, would certainly help. At least we know you'll be splurging on the good stuff, No screw caps anyway  |
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SolarEclipse
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« Reply #2 on: January 12, 2006, 11:58:38 AM » |
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What's Leak-down test
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MdniteDrftr
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« Reply #3 on: January 12, 2006, 12:00:40 PM » |
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What's Leak-down test
Its where you drink a bottle of wine and see how long you can hold it until you "leak". |
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-Rich
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GotTorque?
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« Reply #4 on: January 12, 2006, 12:01:13 PM » |
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What's Leak-down test
It's a test for an engine where you put compressed air into the cylinders to find out if/ where you have a problem with your engine. I tested for compression, but this will tell me how much the cylinders are leaking and where. I forsee a depressing prognosis. |
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SolarEclipse
THE ONLY REASON WHY U R STILL BREATHING IS BECAUSE I DON'T FEEL LIKE CARRYING YOU
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« Reply #5 on: January 12, 2006, 12:01:18 PM » |
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GotTorque?
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« Reply #6 on: January 12, 2006, 12:01:36 PM » |
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What's Leak-down test
Its where you drink a bottle of wine and see how long you can hold it until you "leak".  Good one! |
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Andrew97Cobra
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« Reply #7 on: January 12, 2006, 12:02:34 PM » |
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What's Leak-down test
It's when you turn on your blinkers and you check how long it takes the blinker fluid to leak out.  |
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Andrew
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SolarEclipse
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« Reply #8 on: January 12, 2006, 12:04:12 PM » |
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OH REAAAAALLL FUNNY ha ha ha
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GotTorque?
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« Reply #9 on: January 12, 2006, 12:37:57 PM » |
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Chances are, I won't drink any wine and just use an extension or something in the spark plug hole. But honestly, I think the wine would help!
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Slick
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« Reply #10 on: January 12, 2006, 12:39:25 PM » |
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Its where you drink a bottle of wine and see how long you can hold it until you "leak".
Chances are, I won't drink any wine and just use an extension or something in the spark plug hole. But honestly, I think the wine would help!
I think you should!! At least save it until after the test & if the results are bad, then you have wine to console you....  |
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speedfreak87
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« Reply #11 on: January 12, 2006, 12:41:55 PM » |
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Cara, just pull the motor.. you know you're going to have to anyway.. lol!
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boo
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« Reply #12 on: January 12, 2006, 12:42:56 PM » |
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Get some 2 buck chuck from trader joes for the win, its got a cork.
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Gravel
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« Reply #13 on: January 12, 2006, 12:45:21 PM » |
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Chances are, I won't drink any wine and just use an extension or something in the spark plug hole. But honestly, I think the wine would help!
So where did you score a leak down tester from?? Hell, had I known you needed one, I would have sent you mine to use... |
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Dave88LX
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« Reply #14 on: January 12, 2006, 12:56:16 PM » |
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Great excuse to down a bottle of wine...but I have to ask what you need to use the cork for? Doesn't a spark plug work...probably a lot better???
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GotTorque?
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« Reply #15 on: January 12, 2006, 01:01:05 PM » |
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Chances are, I won't drink any wine and just use an extension or something in the spark plug hole. But honestly, I think the wine would help!
So where did you score a leak down tester from?? Hell, had I known you needed one, I would have sent you mine to use... Aww, you're sweet! I just broke down and bought one from Summit. Great excuse to down a bottle of wine...but I have to ask what you need to use the cork for? Doesn't a spark plug work...probably a lot better???
You're probably right, the thought was not to scratch the piston... not that it really matters. You're talking about using the plug backwards in the hole, right? |
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EVIL5LITER
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« Reply #16 on: January 12, 2006, 01:26:00 PM » |
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Or you could just use a leakdown tester???
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Steve Sisler
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GotTorque?
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« Reply #17 on: January 12, 2006, 01:38:52 PM » |
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Or you could just use a leakdown tester???
To figure out where TDC is? I am confused now. I was just talking about putting a cork or something in to watch when it pused up and didn't move to make sure I was at TDC. |
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Ralph
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« Reply #18 on: January 12, 2006, 03:30:15 PM » |
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Hrm. Well sounds depressing.  The cobra I just bought already has the blown-up motor out, so I only have to do half as much work as you're about to embark on |
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1FastDoc
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« Reply #19 on: January 12, 2006, 03:31:08 PM » |
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Some Tequila's come with corks.
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Ralph
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« Reply #20 on: January 12, 2006, 03:34:07 PM » |
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Or you could just use a leakdown tester???
To figure out where TDC is? I am confused now. I was just talking about putting a cork or something in to watch when it pused up and didn't move to make sure I was at TDC. Cara, if I'm not mistaken piston location shouldn't really matter as to the leakdown rate. Unless you're testing for head gasket??? |
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Dave88LX
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« Reply #21 on: January 12, 2006, 03:44:16 PM » |
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Oh I gotcha now. I'm still not sure what you're going to use a cork for...to stick down into the spark plug hole? I was assuming you were going to use it to seal a spark plug hole. You can make a REALLY simple tool like that by taking an old spark plug, breaking all the ceramic out of it, tapping the inside with I forget what size, then running a bolt through that, and just clean up the end of the bolt to avoid digging into the piston. I would think a cork is going to compress too much/not be solid, coupled with the fact it could fall off whatever you've got it on the end of. Don't you need a degree wheel to do that though using a piston stop? Lemme think a minute, and go find the details of what I'm talking about. |
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Dave88LX
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« Reply #22 on: January 12, 2006, 03:48:22 PM » |
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http://fourwheeler.com/howto/67578/Like Ralph said, you're not shooting for exact TDC. Both valves are closed right around the point the piston starts it's upward stroke on the compression stroke...think of a camshaft, there's quite a bit of area where both valves are closed...the upstroke of compression, and the downstroke of exhaust. Unless I'm misunderstanding what you're trying to do... Might be easier to just pop the valve covers off and watch the rockers.
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speedfreak87
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« Reply #23 on: January 12, 2006, 03:55:17 PM » |
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Just pull the motor!  you know you wnat to.. |
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Mr. Black
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« Reply #24 on: January 12, 2006, 04:16:03 PM » |
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To do a leak down test the piston does not have to be DEAD NUTS at TDC.
Just use your thumb to find close TDC by feeling air pressure build. THen if you want it more perfect just look in the spark plug hole with a flashlight.
Then when you are done drink the bottle of wine.
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We are Steve, resistance is futile!!!
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Mr. Black
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« Reply #25 on: January 12, 2006, 04:16:54 PM » |
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Oh I have seen some people just use a stick or a pencil too to find TDC.
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We are Steve, resistance is futile!!!
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GotTorque?
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« Reply #26 on: January 12, 2006, 04:25:53 PM » |
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So how about this... I go out to do my leak down test, and just for fun, I check and see if she'll start up. Crazy car did... first time. :roll: Smoked like mad for the first minute... I assume that was because the walls were soaked with fuel. Given her compression numbers, I eventually want to do a leakdown test anyways (probably this weekend), but for now....  I don't know. At least she starts. How incredible weird! I still want to know what was wrong in the first place. My car is most definitely female. And Dave- yeah, I was just using a cork so see when the piston was rising- it should push out when it's up top. |
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speedfreak87
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« Reply #27 on: January 12, 2006, 04:27:21 PM » |
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T A K E I T A P A R T ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
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GotTorque?
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« Reply #28 on: January 12, 2006, 04:31:15 PM » |
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*I can't hear you*  Just kidding. I will do a leak-down test and try to figure out where the issue is. Depending on the results, I will most likely take it apart. It seems like a lot of work (I am up for the challenge), and a bit of money just to take it apart, that's if there's nothing wrong. |
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« Last Edit: January 12, 2006, 04:33:19 PM by GotTorque? »
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speedfreak87
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« Reply #29 on: January 12, 2006, 04:40:49 PM » |
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this is what you do.. take it apart.. see? that simple.  no, seriously, take it out, tear it down, go to summit and get the forged 347 kit, take the kit and the block to an engine builder, have them machine the block and balance everything, then BAM! you're all set to put it together, or you can have them do it. see? simple. |
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