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

Everybody slap your forehead for me.

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Old Nov 3, 2001 | 06:28 PM
  #1  
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Default Everybody slap your forehead for me.

Take heart, what you are about to see is a SHOCKING, DISTURBING example of what can happen when you’re not careful. (note: no animals were harmed in the filming of what you see below)



Exhibit A: You’re looking at the back of an L98. The nice shiny part is a new Accel intake base. Note the arrows in the picture. Note what they’re pointing out. (for the mechanically reclined, it’s a wire that goes to the distributor cap.)







Exhibit B: Note just how far along in the reinstallation I was when I discovered exhibit A:





What’s a guy to do? Pull every living thing BACK off the top of the motor?



Right now I’d like to take a pair of Dikes and clip the little bugger. After all, I’m just gonna take it apart again in a few months when the Real Motor(™) comes in….But I’ve been trying Really Hard to do this project the right way. <sob>
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Old Nov 3, 2001 | 06:38 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

Bummer, man.....but happens. Unfortunately, that section of wire can't remain there with the expectations of a good rear intake oil seal. Even if you "shore it up" with extra silicone, thermal expansion differences will allow it to leak eventually.
Gotta' redo it.
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Old Nov 3, 2001 | 06:38 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

:lol: :lol: :lol: Sorry man. Hey, at least you didn't leave stuffed rags in the intake and fire her up :eek: Maybe I shouldn't jinx ya though. Is the wire in there that tight that it won't move? I'm guessing so. If it weren't for the fact that the wire could help create leaks, I'd cut it off and put on a new connector. On second thought, if you're really redoing the motor in a couple months, just snip that baby off.

Oh yeah, glad to see I'm not the only one that lays tools on top of the tire ;)


[Modified by Romeo Barrera, 5:40 PM 11/3/2001]
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Old Nov 3, 2001 | 06:42 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

Ouch :(

Better that you discovered it now and not after you had installed the plenum.
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Old Nov 3, 2001 | 07:42 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

Guy across the street when I was in college built up his 57 Chev engine. Very careful about it, blew a gasket when another friend stuck a steel rule across a cylinder to see what the bore was. Put it all back together and drove it like a grandpa to properly "break it in". Following week hood was up again and I went over to see what was wrong. Seems one of his friends that was helping, didn't remove the rag stuffed into the oil filler and when he put oil in the new engine the rag went in with it. He noticed the bits of rag when he checked the dipstick and then tore it down to clean it up. Attention to detail is very important!!! :yesnod:
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Old Nov 3, 2001 | 08:01 PM
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Default Re: Everybody slap your forehead for me. (Red85)

Bummer, man.....but happens. Unfortunately, that section of wire can't remain there with the expectations of a good rear intake oil seal. Even if you "shore it up" with extra silicone, thermal expansion differences will allow it to leak eventually.
Gotta' redo it.
Yup:yesnod: , said but true. It would be tempting to cut it and leave tho.
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Old Nov 3, 2001 | 08:04 PM
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Default Re: Everybody slap your forehead for me. (jfb)

That's definately worthy of a damnit!
Your luck seems very similar to mine. After my second installation I realized how much I had to look for tools in the engine compartment, look for missing wires, look for unattached wires...man the list just goes on.
good luck....by the way...i'd pull it off :(
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Old Nov 3, 2001 | 08:37 PM
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Default Re: Everybody slap your forehead for me. (AS84)

That's definately worthy of a damnit! :(
Or a holy crap
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Old Nov 3, 2001 | 10:04 PM
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Default Re: Everybody slap your forehead for me. (OcalaGuy)

Actually it initiated a AWWWWW TRUCK. (Only I didn't say truck, if you catch my drift.

I was able to grab the wire from the inside (thanks, Connelly) and essentially snipped the wire, pulled it through, and soldered it back together. Then ran additional 'goo' over the area. (I dunno WHAT it is exactly...it came with the NAPA gasket set.

All in all, I'm sure it'll be fine for the two months that motor is still in there. Especially as those months will be, erm November and December...not prime Vette months in Denver.
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Old Nov 3, 2001 | 10:49 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

:eek: That kind of stuff just makes you :U !
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Old Nov 4, 2001 | 01:30 AM
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Hey.... just be happy you don't have a Mystery Bolt sticking out of your oilpan!! :D

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Old Nov 4, 2001 | 10:22 AM
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Default Re: (scorp508)

Hey.... just be happy you don't have a Mystery Bolt sticking out of your oilpan!! :D
Dude, that's PRICELESS! I especially like the way you caught the oildrip in midair. Now I don't feel so bad. ;) :eek:
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Old Nov 4, 2001 | 10:50 AM
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Default Re: Everybody slap your forehead for me. (Romeo Barrera)

Oh yeah, glad to see I'm not the only one that lays tools on top of the tire ;)
Well I can't very well lay them on the Intake plenum right now. :D

Of course, I probably won't later either, what with the SR being polished n all...
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Old Nov 4, 2001 | 01:49 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

I've found the best cure for this type of situation is a good nights' sleep...

...And doing all the work myself...NO helpers...

In my opinion, you would be best to re-do the job, and look on the experience as advanced on-the-job training...

...Because in all my years, I have yet to see a botched job with only *one* mistake...

Good lookin' motor! I'd like to see a pic of it when it's ready to roar! :D
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Old Nov 4, 2001 | 01:54 PM
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Default Re: Everybody slap your forehead for me. (Rich B.)

DOH!
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Old Nov 4, 2001 | 01:58 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

Somedays you eat the bear, somedays the bear eats you :)
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Old Nov 4, 2001 | 02:06 PM
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Default Re: Everybody slap your forehead for me. (mackeyred96)

Somedays you eat the bear, somedays the bear eats you :)
...Heh, heh...That's exactly what my Leadman used to tell me...After an 18 hour day... :yesnod:
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Old Nov 4, 2001 | 02:09 PM
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Default Re: (scorp508)

Hey.... just be happy you don't have a Mystery Bolt sticking out of your oilpan!! :D
Scorp -

That's probably just a conrod cap retaining bolt...Don't let it bother you...There's still one left... :rolleyes:
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Old Nov 4, 2001 | 02:53 PM
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Default Re: Everybody slap your forehead for me. (RocketSled)

Check your shop manual! There is a test wire, tan in color that is loose like that on every C4 rolling, including mine. Make sure that you are seeing the test wire, but I bet if you trace it you will find it goes no where and hooks up to nothing. Check it out before you go nuts trying to plug in something that doesn't have a mate.


[Modified by CAPN17, 12:55 PM 11/4/2001]
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Old Nov 4, 2001 | 04:02 PM
  #20  
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Default Re: Everybody slap your forehead for me. (CAPN17)

Check your shop manual! There is a test wire, tan in color that is loose like that on every C4 rolling, including mine. Make sure that you are seeing the test wire, but I bet if you trace it you will find it goes no where and hooks up to nothing. Check it out before you go nuts trying to plug in something that doesn't have a mate.
Sorry dude, it's the Tach signal from the distributor on mine. (I disconnected it and broke the tab, I doubt an unused test wire would be in the same condition. ) :cry
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