Engine vacuum question
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TECH Apprentice
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Joined: Oct 2006
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From: La Palma, CA
Engine vacuum question Hey guys I have a cc503 cam on my new rebuilt motor and after testing the vacuum at each port I was getting 16-17 inHg at idle. Does this seem too low for the cam that I have??
Im trying to track down a lean condition that is only at idle, according to Datamaster its 132-139 BLM at idle. I checked for vacuum leaks by spraying carb cleaner on each line and didnt find anything. There is no exhaust leaks and I changed another set of injectors with no luck. Any help would be great
Im trying to track down a lean condition that is only at idle, according to Datamaster its 132-139 BLM at idle. I checked for vacuum leaks by spraying carb cleaner on each line and didnt find anything. There is no exhaust leaks and I changed another set of injectors with no luck. Any help would be great
TECH Regular
Joined: Apr 2007
Posts: 420
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From: Kempner, TX
Seems right to me just as long as the readings are steady with no sudden bid dips and recovery.
132 isn't all that bad either unless you're really **** about getting 128. If you are, good luck. If it was me, I wouldn't be concerned.
Jake
132 isn't all that bad either unless you're really **** about getting 128. If you are, good luck. If it was me, I wouldn't be concerned.
Jake
