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07-14-2013, 09:23 AM
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Active Member
 
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: Engine in my '72 pulling too much vacuum. PCV Constantly rattling.
Replace the pcv first. If it still rattles check the vacuum with a gauge to see what the number is. Usually in the 17-22 hg range. Vacuum gauge can also tell you other things about the engine.
Scroll down for description of symptoms. http://www.gregsengine.com/using-a-vacuum-gauge.html
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68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive... |
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