Finding vacuum leaks
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#With the car running, using a can of carburetor cleaner spray down the hoses and vacuum connections. | #With the car running, using a can of carburetor cleaner spray down the hoses and vacuum connections. | ||
#Notice a change in the running of the engine and you might have found your leak. | #Notice a change in the running of the engine and you might have found your leak. | ||
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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. | 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. | ||
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