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  #1  
Old 12-09-2008, 10:55 PM
PanzerSD's Avatar
Schießenstern
 
Join Date: Jan 2006
Location: Saskatchewan Canada
Posts: 2,351
positive air engine shutdown

I've heard of guys with diesel trucks who work around sour gas and CNG areas requiring these setups and they cost THOUSANDS. is there a cheaper way to build or adapt something to be used as a reliable positive air shut off?

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  #2  
Old 12-09-2008, 11:06 PM
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Loose Cannon - No Balls
 
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Location: Northeast Indiana
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A block of wood?

Old Detroit diesels have a metal plate that swings shut in the intake, usually a push-pull cable trips it.
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  #3  
Old 12-09-2008, 11:15 PM
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smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
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Look for a suitably sized EFI throttle body in a scrap yard, e.g. -

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=300272600226

attach it to the air cleaner inlet, reverse the return spring so it stays open by default, seal the idle bypass circuit and use a choke cable to close the plate.

Sixto
87 300D

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