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

Engine Update

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Old Feb 14, 2005 | 08:40 PM
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Default Engine Update

Well... things are coming together, slowly!

I have the bottom end in and assembled. Rods/crank/cam/timing are all in.

I have one quick question... how much deflection should there be on the timing chain? I have little or none right now. And I have no reference in my Helms manual (or, at least I could not find it).

Thoughts???
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Old Feb 14, 2005 | 08:43 PM
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Yours sounds right.

RACE ON!!!
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Old Feb 14, 2005 | 08:44 PM
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oh, cool! Then I can finish with the timing cover tomorrow!

Wow... this is progressing!!!
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Old Feb 14, 2005 | 10:47 PM
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You shouldn't be able to move the chain much when pressing toward the center of the engine, between the gears. Did you upgrade to a double roller minus the plastic gear?

Sounds good so far. Have you tried turnign the rotating assembly over to check it's movement? ave to put a bolt in the crank and use a socket unless you have the correct crank snout adapter.
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Old Feb 14, 2005 | 11:30 PM
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Can't wait for the pics.
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Old Feb 15, 2005 | 09:16 AM
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Old Feb 15, 2005 | 09:25 AM
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glad to hear you're gaining on it. with the timing chain issue-very very little-they do strecth over time.BTW-it's been years since I've went completely thru a motor BUT no plastic gears for me.
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Old Feb 15, 2005 | 09:35 AM
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Originally Posted by corvetteronw
Can't wait for the pics.
I think you should be posting progress pics... but that's just me. I also agree with above that you should have next to no deflection in the chain. Everything sounds like it's coming together rather well.
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Old Feb 15, 2005 | 09:39 AM
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with the above. In fact, it should be kind of tight even getting the cam gear over the dowel when you assemble it.
Congrats on your progress!
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Old Feb 15, 2005 | 01:29 PM
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Great! The timing gear is on, and torqued!

I will take pics and update progress today!!!

Thanks for all your help!!!!
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Old Feb 15, 2005 | 07:09 PM
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Sounds like wer'e dropping it in this weekend!
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Old Feb 15, 2005 | 07:21 PM
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Great news bogus
and you still had time to respond to all those posts
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Old Feb 15, 2005 | 07:23 PM
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Good luck, don't forget the pics!
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Old Feb 15, 2005 | 10:49 PM
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Default On a whim...

Never mind responding to just these posts, even through all of this, Bogus finds time to respond to all sorts of posts! Best of luck to you Bogus, will keep my fingers crossed for you when your ready to turn the key! Just let us know at what time, it can be one of those thought thingies....we all "will" it to cranking right up!

Rob
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Old Feb 15, 2005 | 11:57 PM
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Woo hoo I got my ready for ya!
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Old Feb 16, 2005 | 01:34 AM
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Tomorrow, the intake base goes on. I will post pics then!!!!
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Old Feb 16, 2005 | 09:09 AM
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Sounds good... So what's T driving around in right now while you have her baby apart???
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To Engine Update

Old Feb 16, 2005 | 08:10 PM
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Originally Posted by wake
Sounds good... So what's T driving around in right now while you have her baby apart???
She is driving a 1987 or so Acura Legend. It's her aunts car.

Update for today... I was finishing the torquing of the intake, when I had one of the threads quit... it's the first one on the right bank. It's the closed hole, this is good, the helicoil will dig in better.

next up! A helicoil! yay!

ugh.
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Old Feb 16, 2005 | 11:32 PM
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Did you run a thread chaser through before installing?
(It is a thread chaser I am thinking of right?, either way you know what I mean, not really mentally all here right now)
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Old Feb 17, 2005 | 12:15 AM
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Originally Posted by USAsOnlyWay
Did you run a thread chaser through before installing?
(It is a thread chaser I am thinking of right?, either way you know what I mean, not really mentally all here right now)
Actually, I did. In this case, I used a tap. The threads were messy, so I ran the tap down, cleaned it very nicely, I thought. Tested the hole with a bolt and it went perfectly.

The threads died when I tried to torque it.
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