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

My '96 hates me.........

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Old Dec 31, 2009 | 03:36 PM
  #61  
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I guess I all I can do is try it again. I'm getting real tired of this S$$$ really fast!
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Old Dec 31, 2009 | 04:10 PM
  #62  
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Originally Posted by STL94LT1
Also, this picture is deceiving. The pin goes into the deepest part of the slot. Not the little square box on top of it so there is more room than you may think to line things up.
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Old Dec 31, 2009 | 06:37 PM
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Maybe way out in left field here, but, what about the timing cover gasket? Was it the same thickness as the factory gasket? Also , can the cam retainer plate maybe be backing out? Just some obvious stuff, you've probably already checked.

On a seperate note, I read that you had power to the injectors. That is only half of the equation. The PCM fires the injectors by providing the ground to the injector. When the key is on they will always have power. This doesn't tell you they are firing however. For that you have to check the other wire for ground while cranking with a noid light.
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Old Jan 1, 2010 | 05:48 AM
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Originally Posted by lt4red
Maybe way out in left field here, but, what about the timing cover gasket? Was it the same thickness as the factory gasket? Also , can the cam retainer plate maybe be backing out? Just some obvious stuff, you've probably already checked.

On a seperate note, I read that you had power to the injectors. That is only half of the equation. The PCM fires the injectors by providing the ground to the injector. When the key is on they will always have power. This doesn't tell you they are firing however. For that you have to check the other wire for ground while cranking with a noid light.
Thanks Lt4red.
I used Permatex Ultra Copper as gasket material for the TC and the cam retainer bolts have Locktite on them.

When I cranked the engine with the Noid light hooked up it pulsed twice really fast then flashed each time when any particular cylinder was on it's compression stroke. I really believe the injectors are working properly. They are only a little over a year old.

I'm going to grind off the cam pin a little bit just as a precaution and put it all back together today. Cross my fingers and hope for the best. At this point I don't know what else to do.

Happy New Year everybody!
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Old Jan 1, 2010 | 10:10 AM
  #65  
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Weav, have you removed the caps on the bad optis? I would be interested to hear/see if there was any visible damage.
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Old Jan 1, 2010 | 12:06 PM
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Originally Posted by STL94LT1
Weav, have you removed the caps on the bad optis? I would be interested to hear/see if there was any visible damage.
Yeah Mike I did only on the second one though which was my original. It has moisture in it. After saying that let me explain. I think I may have discovered my problem. I had the backflow prevention valve turned the wrong way on the hose to the opti. I also had it in the wrong area of the hose. I don't know if any of this matters but it's the only thing I have really found that was out of place during this whole tear down.

On another note, I must have taken the opti on and off at least 10 times trying to get the pin to line up. I finally got it to pop in there like it is supposed to.

I'm letting the oil drain out for a while and then all that is left is to put in new oil and see if it fires up.


[IMG]file:///C:/Users/Mike/AppData/Local/Temp/moz-screenshot.png[/IMG][IMG]file:///C:/Users/Mike/AppData/Local/Temp/moz-screenshot-1.png[/IMG][IMG]file:///C:/Users/Mike/AppData/Local/Temp/moz-screenshot-2.png[/IMG]

Last edited by Weav's Vet; Dec 22, 2013 at 01:22 PM.
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Old Jan 1, 2010 | 12:33 PM
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Originally Posted by Weav's Vet
Yeah Mike I did only on the second one though which was my original. It has moisture in it. After saying that let me explain. I think I may have discovered my problem. I had the backflow prevention valve turned the wrong way on the hose to the opti. I also had it in the wrong area of the hose. I don't know if any of this matters but it's the only thing I have really found that was out of place during this whole tear down.

On another note, I must have taken the opti on and off at least 10 times trying to get the pin to line up. I finally got it to pop in there like it is supposed to.
1. So you think you no airflow (IE blocked the valve installed backwards blocked the airflow?


2. Once you get the opti aligned right and that sucker "pops in" you know it.
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Old Jan 1, 2010 | 02:02 PM
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The Vette...............it runs! How well is yet to be determined.
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Old Jan 1, 2010 | 02:05 PM
  #69  
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Originally Posted by aboatguy
1. So you think you no airflow (IE blocked the valve installed backwards blocked the airflow?


2. Once you get the opti aligned right and that sucker "pops in" you know it.
That's what I'm thinking anyway. At this point I don't really know what the problems was or is or whatever. If this opti dies on me I may just accidentally on purpose burn this doggone car!
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Old Jan 1, 2010 | 02:12 PM
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Originally Posted by Weav's Vet
The Vette...............it runs! How well is yet to be determined.
Fingers crossed!!
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Old Jan 1, 2010 | 03:03 PM
  #71  
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Originally Posted by STL94LT1
Fingers crossed!!
Give her hell, floor it till you see GOD, then brake. That should be a good test.
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Old Jan 1, 2010 | 03:17 PM
  #72  
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Just took it out for a short ride. Boyz this thing feel's GREAT! Maybe I've just been out of it for so long I've forgotten what it felt like. Runs really good even after 4500 so maybe that is fixed as well. Can't wait to get it on a dyno! Hope I'm not disappointed again.

Thank you all for your advice,words of encouragement and putting up with this ole noob. I can't tell you how much every last one of you has helped me get through all of this. Many thanks!!!!!!!

Oh, did I mention I bought a Dana 44..........I'm torn between putting it in or heads next................Lordy! Maybe I'll just drive it a while.
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Old Jan 1, 2010 | 03:37 PM
  #73  
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Originally Posted by Weav's Vet
Just took it out for a short ride. Boyz this thing feel's GREAT! Maybe I've just been out of it for so long I've forgotten what it felt like. Runs really good even after 4500 so maybe that is fixed as well. Can't wait to get it on a dyno! Hope I'm not disappointed again.

Thank you all for your advice,words of encouragement and putting up with this ole noob. I can't tell you how much every last one of you has helped me get through all of this. Many thanks!!!!!!!

Oh, did I mention I bought a Dana 44..........I'm torn between putting it in or heads next................Lordy! Maybe I'll just drive it a while.
Put the D44, as you will need it before the heads, trust me
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Old Jan 1, 2010 | 03:39 PM
  #74  
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Drive it until the pain and frustration of what you've just been through goes away, and then start the next round of mods.
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Old Jan 1, 2010 | 04:14 PM
  #75  
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Originally Posted by steve40th
Put the D44, as you will need it before the heads, trust me
I probably will Steve. Still have to get a few more parts. It's a 3.45 ratio.

Originally Posted by STL94LT1
Drive it until the pain and frustration of what you've just been through goes away, and then start the next round of mods.
Sounds like a winner! This has been rather frustrating.

Just so yall know it runs.............


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Old Jan 1, 2010 | 04:15 PM
  #76  
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Well, it sounds good!! Love the lope at idle!!
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Old Jan 1, 2010 | 06:00 PM
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Originally Posted by STL94LT1
Well, it sounds good!! Love the lope at idle!!
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Old Jan 1, 2010 | 06:56 PM
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Originally Posted by steve40th
Put the D44, as you will need it before the heads, trust me
Remember you have a 4l60e so shift points will have to be programmed into the tune.


Mike
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Old Jan 1, 2010 | 07:09 PM
  #79  
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Originally Posted by aboatguy
Remember you have a 4l60e so shift points will have to be programmed into the tune.


Mike
And Gear ratio, to keep speedo happy
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Old Jan 1, 2010 | 08:11 PM
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Dyno appointment in the morning at 8:30. The truth will be known then!
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