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LT4 engine picture needed

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Old Aug 1, 2007 | 07:09 AM
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Default LT4 engine picture needed

Specific picture needed. I need the passenger side fuel rail area.

Basically, take off the fuel rail cover on the passenger side, and I need a picture of what's underneath. I think I am still missing part of the vaccuum setup near the throttle body.

Any help is greatly appreciated!
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Old Aug 1, 2007 | 08:45 AM
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If nobody else comes through with one today, I can get you one late this afternoon when I get home from work.
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Old Aug 1, 2007 | 08:51 AM
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Would be greatly appreciated.
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Old Aug 1, 2007 | 12:48 PM
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I went home for lunch, so snapped these for you then.
If you need a different angle or something specific, just let me know and I'll do what I can.






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Old Aug 1, 2007 | 12:55 PM
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Wow that motor is clean!! I expected it to be very dusty under there. Do you take off all of the plastic garbage when you clean your motor and how do you get it that clean? I need some pointers!

Not trying to hijack the thread, just amazed!!
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Old Aug 1, 2007 | 01:18 PM
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"plastic garbage"???????
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Old Aug 1, 2007 | 02:01 PM
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That's perfect, and it answers my question too! Thank you!!

I took a picture of mine, and that little plug doesn't seem to go any where...see my pic...I was worried that I was missing a vaccuum hookup. I did find that one of the injector clips was loose too. Still chasing ghosts....

Thank you my friend!!!!!

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Old Aug 1, 2007 | 02:14 PM
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Your welcome
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Old Aug 1, 2007 | 03:16 PM
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Originally Posted by Warp8
"plastic garbage"???????
Warp8,

I didn't mean for that to be offensive, I was trying to describing all of the plastic cladding that covers up the injectors and fuel system. It makes the engine look clean, but really does not serve any other purpose.

96LT4,

I saw Rolla's pictures and notice that piece as well. It made me go out at lunch and check to see if my car is that way. It is, that makes 3 that are plumbed that way.
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Old Aug 1, 2007 | 03:58 PM
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I went and looked at a CE LT4 at lunch, and that little plug wasn't there....
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Old Aug 1, 2007 | 04:05 PM
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How do you get a motor that clean?
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Old Aug 1, 2007 | 04:52 PM
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Maybe a mid year production change. Curious??? Do you have VIN that is early or late for each car?
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Old Aug 1, 2007 | 05:22 PM
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Hey RollaMo-LT-4... don't you ever clean that thing?

Impressed to say the least!
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Old Aug 1, 2007 | 05:40 PM
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Originally Posted by 96LT4
I went and looked at a CE LT4 at lunch, and that little plug wasn't there....
I am not real sure exactly what your asking about?
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Old Aug 1, 2007 | 05:44 PM
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Originally Posted by aquablue96
How do you get a motor that clean?
At the risk of making some people faint, I do wash it. I am just careful and not get too much water around the opti. Also 2 or 3 rolls of paper towels and Simple Green. Be careful with the simple green on the underside of the hood though. It can leave a chalky white residue.

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Old Aug 1, 2007 | 06:08 PM
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Originally Posted by RollaMo-LT4
I am not real sure exactly what your asking about?
That's what I thought and my car does have this as well. Not sure what it is for or if it was changed mid year or not.
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Old Aug 1, 2007 | 06:11 PM
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I have vaguely heard about water and the opti. Can you explain more what the problem is with this combination? And where exactly is the opti and what does it look like so I can avoid it
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Old Aug 1, 2007 | 06:17 PM
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Originally Posted by aquablue96
I have vaguely heard about water and the opti. Can you explain more what the problem is with this combination? And where exactly is the opti and what does it look like so I can avoid it

The opti is located below the water pump on the front of the block. It is slightly off center toward the passenger side. If you follow the spark plug wires, you'll find it. Looks like a narrow, flat distributor. Not the best electrical design GM ever came up with!
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Old Aug 1, 2007 | 08:41 PM
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This got me curious so i just went out to the garage and took a peak under mine and it doesnt have that tube. Mines also an lt4.
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Old Aug 2, 2007 | 06:53 AM
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That's what I was asking about. It doesn't seem to go anywhere, but it's hollow.
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