The Dollar Bill Test

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I replied to a forum question that need greater explanation, I thought it would be a good post on it's own:I learned this from a buddy about 30 years ago, when I would try to buy old Jeeps that had 4 cylinder engines and I used it when I bought my  WD45 tractor with a 4 cylinder engine. You start the engine at idle or 1/4 throttle, with a firm grip, place a new 1 dollar bill  about 2" over the exhaust pipe, as the engine is running if it sucks the dollar bill into the exhaust, it will snap like you can't believe. I was told that this is a sign the  exhaust valve is  sticking or the seat is bad, it could also be bent, burnt or out of adjustment too. Here is a video from youtube that shows no problems with the valves http://www.youtube.com/watch?v=l8LRhuHuerw sorry I could not find a video of it sucking in the dollar bill, my friend sold his ford tractor that did this last year. Here is another link to this test scroll down to shop tip http://books.google.com/books?id=Yn9F0RhJ0EkC&pg=PA573&lpg=PA573&dq=dollar+bill+exhaust+valve+test&source=bl&ots=S9F4AHOCyc&sig=o6U4jNIctW4upR1VjJqCyqTAMEk&hl=en#v=onepage&q=dollar%20bill%20exhaust%20valve%20test&f=false
Danny

Edited by dannyraddatz - 01 Sep 2012 at 7:38am

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dannyraddatz Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Plainfield, Ill Points: 848	Post Options Post Reply Quote dannyraddatz Report Post Thanks(0) Quote Reply Topic: The Dollar Bill Test Posted: 01 Sep 2012 at 6:44am
	I replied to a forum question that need greater explanation, I thought it would be a good post on it's own: I learned this from a buddy about 30 years ago, when I would try to buy old Jeeps that had 4 cylinder engines and I used it when I bought my WD45 tractor with a 4 cylinder engine. You start the engine at idle or 1/4 throttle, with a firm grip, place a new 1 dollar bill about 2" over the exhaust pipe, as the engine is running if it sucks the dollar bill into the exhaust, it will snap like you can't believe. I was told that this is a sign the exhaust valve is sticking or the seat is bad, it could also be bent, burnt or out of adjustment too. Here is a video from youtube that shows no problems with the valves http://www.youtube.com/watch?v=l8LRhuHuerw sorry I could not find a video of it sucking in the dollar bill, my friend sold his ford tractor that did this last year. Here is another link to this test scroll down to shop tip http://books.google.com/books?id=Yn9F0RhJ0EkC&pg=PA573&lpg=PA573&dq=dollar+bill+exhaust+valve+test&source=bl&ots=S9F4AHOCyc&sig=o6U4jNIctW4upR1VjJqCyqTAMEk&hl=en#v=onepage&q=dollar%20bill%20exhaust%20valve%20test&f=false Danny Edited by dannyraddatz - 01 Sep 2012 at 7:38am
	Danny Raddatz

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Tracy Martin TN Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Gallatin,TN Points: 10781	Post Options Post Reply Quote Tracy Martin TN Report Post Thanks(0) Quote Reply Posted: 01 Sep 2012 at 4:33pm
	Used that tip for years. Works on small engines also. Tracy Martin

wfmurray Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 13 Sep 2009 Location: Bostic NC Points: 1225	Post Options Post Reply Quote wfmurray Report Post Thanks(0) Quote Reply Posted: 01 Sep 2012 at 5:29pm
	Live near town of Forest City N C . It has so many used car dealers they call it Little DeTroit. That trick of the dollar bill has been around a long time and been used a lot in this area . Had to use a one dollar cause that was only kind people had .