LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Quick !AIR !EGR question...

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Old 04-30-2009, 02:11 AM
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Default Quick !AIR !EGR question...

I will be removing this crap once I get my LTs in which have no emissions fittings. My question is besides the EGR valve hole in the back of the intake. What else needs to be blocked off and with what?
Old 04-30-2009, 10:35 AM
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vacuum cap on the air intake where the air hose connects. also theres two holes on the back of the intake, one in the middle and another on the passenger side i believe. one in the middle is the valve, passenger side one is the pipe that routes the exhaust gas from the exhaust manifold to the intake / egr valve. so you need two plates and a 5/8" cap i think it was.
Old 04-30-2009, 02:14 PM
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where to get the two plates? anyone make them?
Old 04-30-2009, 03:30 PM
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http://umiperformance.com/products.php?category_id=123


There ya go!
Old 04-30-2009, 04:14 PM
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If you are also removing the AIR, and assuming this refers to the 97, you will want these: http://www.randdspeed.com/index.php?...roducts_id=183 to plug the holes where the diaphrams currently reside. They sell the plates also, and have both on sale: http://www.randdspeed.com/index.php?...roducts_id=243 for the same price as just the plates at UMI.
Just a thought.
Old 04-30-2009, 04:37 PM
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Originally Posted by koolaid_kid
If you are also removing the AIR, and assuming this refers to the 97, you will want these: http://www.randdspeed.com/index.php?...roducts_id=183 to plug the holes where the diaphrams currently reside. They sell the plates also, and have both on sale: http://www.randdspeed.com/index.php?...roducts_id=243 for the same price as just the plates at UMI.
Just a thought.
Good link for the M18 plugs, but he mentioned he's using non-emissions headers.

Old 04-30-2009, 06:44 PM
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Originally Posted by RamAir95TA
Good link for the M18 plugs, but he mentioned he's using non-emissions headers.

Oops. Good point, since I don't run headers I completely missed the LT part.



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