LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Please HELP! Throtle body diagram or pics needed!

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Old Aug 21, 2007 | 08:08 PM
  #1  
GASH1313's Avatar
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Please HELP! Throtle body diagram or pics needed!

I for the life of me remember what all the hose inlet/outlets go to. I know the bottom in/out is for coolant, the next one from the bottom fresh air tube to valve cover?(pas. side) But what about the top on the pass. side?? I'm stumped! And yes I have used the search and also looked on Shoe Box, someone please help. Thanks in advance!
Old Aug 21, 2007 | 08:49 PM
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This is the only photo I have............

http://rides.webshots.com/photo/1411...wo?vhost=rides
Old Aug 21, 2007 | 08:56 PM
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the pass side top is for the fresh air hose to the valve cover, the middle one is for the purge system, can be plugged if not used
Old Aug 21, 2007 | 08:58 PM
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The one on the top goes to the valve cover, underneath is vacuum to the EVAP solenoid.

http://shbox.com/1/map.jpg
Old Aug 22, 2007 | 10:48 PM
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Thank you guys!
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