C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Help - Need pics / advice for L98 emissions hoses (post intake man install)

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Old 02-09-2004, 10:49 AM
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Meloyelo90
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Default Help - Need pics / advice for L98 emissions hoses (post intake man install)

OK, I spent the whole weekend getting the manifold, runners, plenum, etc...
back in my 90 L98, but now I have some extra vacuum hoses ? on the drivers
side and cannot figure out how they attach or where they connect. I'm pretty sure one of them goes the the rear passenger side of the plenum, but I broke these (14 yrs old) when I took them off and don't remember the original routing.

Does anyone have drivers side pics of the 90 L98, or know where I can find any ?

Yes, I learn the hard way - next time it's pics pics pics.

Thanks.
Old 02-09-2004, 10:58 AM
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Meloyelo90
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Default Re: Help - Need pics / advice for L98 emissions hoses (Meloyelo90)

Sorry - this wasn't meant to be a poll, it's a new topic. I'm still sleepy
from working on the car all weekend... :banghead:
Old 02-09-2004, 01:20 PM
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1990CORVETTE
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Default Re: Help - Need pics / advice for L98 emissions hoses (Meloyelo90)

Look at my pics,, it you need a closer one let me know and I can go snap a shot for you :cheers:
Old 02-09-2004, 02:23 PM
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ABNVET.I
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Default Re: Help - Need pics / advice for L98 emissions hoses (Meloyelo90)

Send me a pic of the area you want and I will see what I can do for you tonight. :seeya
Old 02-09-2004, 03:18 PM
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Meloyelo90
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Default Re: Help - Need pics / advice for L98 emissions hoses (1990CORVETTE)

Thanks guys - I can kind of see on a pic from 1990CORVETTE. What I need
in particular (if you have one laying around) is drivers side between the TB
and the first two injectors. In the pic I saw, there seems to be something mounted
on the thermo housing, which could be what I have extra. Also, if you have it,
a pic of the passenger side by the fuel regulator. There are two connections from the plenum, then one underneath that I can't figure out (EGR ?). My photographic memory has turned into mush. Thanks very much.
Old 02-09-2004, 07:40 PM
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NOT-MEE
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Default Re: Help - Need pics / advice for L98 emissions hoses (Meloyelo90)

The one on driver front thremo housing is the egr silinoid has has 3 connections (SP?). It connects to the silinoid than egr other side of silinoind third connection under throttle body originate from a line on the drivers side wheel well,The two passinger rear intake one is for fuel regulator and the other connects to a valve running along the firewall it is a black barrel sitting around dist.

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