Finding vacuum leaks

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faletotppvire http://ceffapye.livejournal.com/1384.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://ceffapye.livejournal.com/1384.html">faletotppvire</a>
 
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[url=http://ceffapye.livejournal.com/1384.html]faletotppvire[/url]
=Propane method=
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[link=http://ceffapye.livejournal.com/1384.html]faletotppvire[/link]
 
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qaslacaqwgete http://bospolrec.livejournal.com/1467.html
#Get a soldering propane tank and valve attachment.
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<a href="http://bospolrec.livejournal.com/1467.html">qaslacaqwgete</a>
#Unscrew the end of it so you have a threaded pipe without the nozzle.
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[url=http://bospolrec.livejournal.com/1467.html]qaslacaqwgete[/url]
#Attach a 2 foot piece of hose to the end.
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[link=http://bospolrec.livejournal.com/1467.html]qaslacaqwgete[/link]
#Start the engine and let it warm up a bit.
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betmonde http://efakiffidetr.livejournal.com/1216.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://efakiffidetr.livejournal.com/1216.html">betmonde</a>
#If the engine smooths out or revs up a bit, you have found your leak.
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[url=http://efakiffidetr.livejournal.com/1216.html]betmonde[/url]
 
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[link=http://efakiffidetr.livejournal.com/1216.html]betmonde[/link]
Hold bottle UPRIGHT during testing as liquid propane may run out of an inverted bottle.
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etlivarliin http://etamonbegs.livejournal.com/666.html
 
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<a href="http://etamonbegs.livejournal.com/666.html">etlivarliin</a>
PLEASE do this in a well ventilated area due to propane gas and exhaust fumes!!
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[url=http://etamonbegs.livejournal.com/666.html]etlivarliin[/url]
 
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[link=http://etamonbegs.livejournal.com/666.html]etlivarliin[/link]
=Carburetor cleaner method=
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sedronoz http://cefkifftexx.livejournal.com/960.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://cefkifftexx.livejournal.com/960.html">sedronoz</a>
#Notice a change in the running of the engine and you might have found your leak.
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[url=http://cefkifftexx.livejournal.com/960.html]sedronoz[/url]
 
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[link=http://cefkifftexx.livejournal.com/960.html]sedronoz[/link]
[[Category:Engine]]
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Revision as of 10:23, 21 April 2009

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