Smog Pump Delete on a 94 Formula - LS1TECH - Camaro and Firebird Forum Discussion

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

Smog Pump Delete on a 94 Formula

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Old 12-14-2004, 03:19 PM   #1
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Default Smog Pump Delete on a 94 Formula

What is required to delete the smog pump/EGR system from my LT1? The EGR valve is already gone with the vac hoses plugged and the block off plate, but everything else is still on the car. I want more space in my engine bay.
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Old 12-15-2004, 09:47 PM   #2
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unbolt it from the front of the block, been a long time since idid mine but like 3 or 4 bolts, unplug it and done. i know there is a lin somewhere? it has been years since i did this mod.
not hard though!
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Old 12-16-2004, 02:03 PM   #3
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Yup, there is a metal tube/line that goes from the pump, underneath the timing chain cover to the passenger side header. Unless you have the accessory bracket off the car, you'll be cutting that metal tube to get it off because of the way it winds through everything. Then just plug the holes in your headers and tune the PCM for the EGR deletion so you don't get a SES light. Done.

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