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02-26-2012, 01:50 PM
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#1 |
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Registered User
Join Date: Dec 2011
Location: CA
Posts: 9
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What is this????
This where does the tube that goes to this piece connect to? what does it do?It is on a 1981 blazer.
  
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02-26-2012, 05:49 PM
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#2 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: What is this????
Is this a tube that goes into the manifold? Of so it may be an air tube
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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02-26-2012, 07:40 PM
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#3 |
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In the Forgotten far North.
 
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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Re: What is this????
vacuum controled heat riser valve on the p/s exhaust manifold between manifold and pipe.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade |
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Linear Mode
