LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Valve Spring install HELP!!!!

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Old 05-08-2009, 06:37 PM
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Originally Posted by litch2004
I have never done valve train so I'm new at this.
Hopefully the valves that are not in the heads are numbered and designated to go back into their original respective guides. If not then you could be in a whole heap of trouble. The valves all have a unique wear pattern in the guides AND valve seats. If a valve is used in a different guide and seat it will cause accelerated wear and your valves will most likely burn up making this a much more expensive project.
Old 05-08-2009, 07:05 PM
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Yes I stuck them through Cardboard in order I removed them. Cardboard is my best friend when I start taking apart stuff. In most cases it is usually with bolts though
Old 05-08-2009, 07:07 PM
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Thumbs up

Good man.
Old 05-08-2009, 07:33 PM
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I would not depend on my memory on something that critical.
Old 06-16-2009, 12:52 PM
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so what was the final verdict you we dont use any valve seats other than the shim that comes w/ that kit? im in the middle of the job and i need to make sure before i finish. same problem here middle spring sits on top of the valve seat.
Old 06-16-2009, 12:59 PM
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I just pm'ed you back. Sorry for long responce, I'm on my blackberry. I no longer have the valve seats. The provided shims replace them
Old 06-16-2009, 01:02 PM
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Originally Posted by litch2004
I just pm'ed you back. Sorry for long responce, I'm on my blackberry. I no longer have the valve seats. The provided shims replace them
k, sounds good do you have your car runing any problems or anything w/o the seats. fixing to complete the job today. right after i finsh talking to you actully. lol
Old 06-16-2009, 01:21 PM
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I did call crane and they told me that this was the correct way to do it.
Old 06-16-2009, 01:25 PM
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Originally Posted by litch2004
I did call crane and they told me that this was the correct way to do it.
You should post some pics for other LS1Techers.
Old 06-16-2009, 02:27 PM
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ill get some up off my cell a lil later or tomorrow
Old 06-16-2009, 02:45 PM
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I will get some posted once I leave the plant. The pics are on my personal laptop. They frown on personal computers being brought in due to viruses
Old 06-16-2009, 06:17 PM
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before:



After:




Now these are to be installed height of 1.875” and 1.850” so of course they should still be measured. But like i said i did call crane and they said that the way that i installed the springs is the correct way. Good luck on your install.

Last edited by litch2004; 06-16-2009 at 06:32 PM.
Old 06-16-2009, 06:29 PM
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Looks like my heads.

I hope I didn't mess anything up by using the stock springs seats AND the steel shims that come in the kit...
Old 06-16-2009, 06:37 PM
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Hopefully you didnt....
here it is with the new valve cover on it. Unfortunately one of the mating surfaces was warped so i had to send it back to have it fixed. (bad camera pic...i know)
Old 06-16-2009, 06:43 PM
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^Looks very nice.
Old 06-16-2009, 11:02 PM
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valve cover looks good.

ss.slp.ls1 i dont think it would be a problem as long as the middle spring is not sitting on the valve seat. i had installed 1 spring sitting on the valve seat and it looked like it was under constant pressure, kinda when you put lowering springs on stock shocks. good thing i came on here and got the right info ls1tech ftw
Old 06-16-2009, 11:57 PM
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well on the 93's the spring seat is taller for some reason. The later model LT1's have a much smaller seat than we do. Also our seal are different. Not sure if 93's were the only year that were like this but he has a lot less interference with his than we do.
Old 06-17-2009, 01:32 PM
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this is what it looks like w/ the shim and a new valve seal.
Attached Thumbnails Valve Spring install HELP!!!!-valve.jpg  
Old 06-17-2009, 04:18 PM
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yup looks like mine. I just removed the heads completely and decided to install a new thinner headgasket. Also just clean the hole engine up. It was way past time to do this.
Old 06-17-2009, 05:19 PM
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lloyd elliot told me to use the the comp cams part #4770-16 locators with the crane 10308-1 kit. This gives it an installed height of 1.820" And giving you about 145lbs of seat pressure. That's without using the shims that the kit comes with. Was just at the shop and measured everything.


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