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

What Are These? *10 points for ever correct anser:P*

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Old 04-06-2008, 08:27 PM
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Default What Are These? *10 points for ever correct anser:P*

im doing the intake manifold gasket and ive got a few questions about some things i duno what they are

A: this pan on the udner side of the intake, what exactly does it doo?


B: this black vac thing on the rear drivers side of the intake


c: little black box thing that has a vac line running from item B to the intake manifold *was attached to the 5'th stud from the front on the drivers side*


here is a pic of them together


sorry for the dark pictures, had to rush everything inside quickly becuse it just started pouring out..
Old 04-06-2008, 08:30 PM
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im pretty sure thats a windage tray-ish thing.

and the rest is EGR valve and EGR solenoid with vacuum lines
Old 04-06-2008, 09:05 PM
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ditto...
Old 04-06-2008, 09:09 PM
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The under tray reduces oil splash heat transfer to the intake, the rest of the stuff is emissions egr and control solinoid.
Old 04-06-2008, 10:24 PM
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A: Acts as a heat barrier for the intake & also is where the pcv pulls the air from the motor.

B: Egr Valve

C: Egr Valve attached to Egr Valve Solenoid Via Vacuum lines.


WOOOOH HOOOOH I scored 30 pts!
Old 04-06-2008, 10:44 PM
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Originally Posted by Biggin'89
A: Acts as a heat barrier for the intake & also is where the pcv pulls the air from the motor.

B: Egr Valve

C: Egr Valve attached to Egr Valve Solenoid Via Vacuum lines.


WOOOOH HOOOOH I scored 30 pts!
He beat me
Old 04-06-2008, 10:48 PM
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keep that egr **** out and cap it off
Old 04-07-2008, 12:28 AM
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Just plug the EGR vacuum line. DO not remove the solenoid unless you have a way to tune that out and block off the EGR ports.
Old 04-07-2008, 12:38 AM
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tuen it out?? as in its gunna throw a code?
im going to get it tuned as it must be done for boost. soo i can get rid of it all and call er a day with out worrieing about it? is there any benafit to keeping it?
Old 04-07-2008, 02:08 AM
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As long as you leave that "black box" that was connected to the EGR, PLUGGED IN to the wiring harness, all is well and your car thinks it's still got an EGR valve.
Old 04-07-2008, 02:11 AM
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yea, when changing the EGR valve i unplugged the solenoid and when i got in the car to start it the SES came on and the gauge cluster opened up and a sawed off was staring straight at me....damn PCM.
Old 04-07-2008, 11:26 AM
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Originally Posted by 94m6Z28
tuen it out?? as in its gunna throw a code?
im going to get it tuned as it must be done for boost. soo i can get rid of it all and call er a day with out worrieing about it? is there any benafit to keeping it?
Well since your getting a tune anyways, you shouldn't have to worry about it.
Old 04-13-2008, 12:34 PM
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i got rid of all the egr crap. and i put that little black box back in and pluged it in

i should be A-Ok, correct?
Old 04-13-2008, 01:29 PM
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And as long as you blocked off the EGR ports lol Yes, you should be "A-Ok"



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