Finding vacuum leaks

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nrzalfapasca http://epepoxasfuwiz.livejournal.com/906.html
There are several methods for locating vacuum leaks. Occasionally, you may experience a vacuum leak into the intake ports from the crankcase of the motor due to the intake manifold / cylinder head interface not being machined parallel. No amount of propane or carburetor cleaner will find such a leak. The best way is to insure the elimination of such a problem while building the motor. See the wiki article: [[Manifold/Head vacuum leak, internal]].
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<a href="http://epepoxasfuwiz.livejournal.com/906.html">nrzalfapasca</a>
 
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[url=http://epepoxasfuwiz.livejournal.com/906.html]nrzalfapasca[/url]
=Propane method=
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xfurefiacelra http://verlazfaolalf.livejournal.com/615.html
#Get a soldering propane tank and valve attachment.
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<a href="http://verlazfaolalf.livejournal.com/615.html">xfurefiacelra</a>
#Unscrew the end of it so you have a threaded pipe without the nozzle.
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[url=http://verlazfaolalf.livejournal.com/615.html]xfurefiacelra[/url]
#Attach a 2 foot piece of hose to the end.
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[link=http://verlazfaolalf.livejournal.com/615.html]xfurefiacelra[/link]
#Start the engine and let it warm up a bit.
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erpxtetsedsi http://drintexzedxa.livejournal.com/591.html
#Turn on the propane and run the hose all around the vacuum lines and the bottom of the carb.
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<a href="http://drintexzedxa.livejournal.com/591.html">erpxtetsedsi</a>
#If the engine smooths out or revs up a bit, you have found your leak.
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[url=http://drintexzedxa.livejournal.com/591.html]erpxtetsedsi[/url]
 
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Hold bottle UPRIGHT during testing as liquid propane may run out of an inverted bottle.
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zacefbeg http://www.livejournal.com/interests.bml?int=zacefbeg
 
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<a href="http://www.livejournal.com/interests.bml?int=zacefbeg">zacefbeg</a>
PLEASE do this in a well ventilated area due to propane gas and exhaust fumes!!
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=Carburetor cleaner method=
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sadarcalir http://polqetwim.livejournal.com/640.html
#With the car running, using a can of carburetor cleaner spray down the hoses and vacuum connections.
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<a href="http://polqetwim.livejournal.com/640.html">sadarcalir</a>
#Notice a change in the running of the engine and you might have found your leak.
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[url=http://polqetwim.livejournal.com/640.html]sadarcalir[/url]
 
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[link=http://polqetwim.livejournal.com/640.html]sadarcalir[/link]
[[Category:Engine]]
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Revision as of 02:29, 23 April 2009

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