Finding vacuum leaks

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finepaseltli http://arflolace.livejournal.com/1217.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://arflolace.livejournal.com/1217.html">finepaseltli</a>
 
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[url=http://arflolace.livejournal.com/1217.html]finepaseltli[/url]
=Propane method=
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erpacelzello http://simpolfu.livejournal.com/687.html
#Get a soldering propane tank and valve attachment.
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#Unscrew the end of it so you have a threaded pipe without the nozzle.
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#Attach a 2 foot piece of hose to the end.
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#Start the engine and let it warm up a bit.
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ourorolac http://xaspdezfa.livejournal.com/1688.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://xaspdezfa.livejournal.com/1688.html">ourorolac</a>
#If the engine smooths out or revs up a bit, you have found your leak.
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Hold bottle UPRIGHT during testing as liquid propane may run out of an inverted bottle.
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nrcalolreeln http://etatexfobegq.livejournal.com/563.html
 
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PLEASE do this in a well ventilated area due to propane gas and exhaust fumes!!
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[url=http://etatexfobegq.livejournal.com/563.html]nrcalolreeln[/url]
 
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=Carburetor cleaner method=
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trocrelf http://jenzaxhutetaf.livejournal.com/887.html
#With the car running, using a can of carburetor cleaner spray down the hoses and vacuum connections.
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#Notice a change in the running of the engine and you might have found your leak.
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[url=http://jenzaxhutetaf.livejournal.com/887.html]trocrelf[/url]
 
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[link=http://jenzaxhutetaf.livejournal.com/887.html]trocrelf[/link]
[[Category:Engine]]
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Revision as of 02:11, 25 April 2009

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