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*sigh another broken valve spring

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Old Sep 3, 2010 | 01:26 AM
  #21  
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Ever find out what springs are on the car? Like ColeTrain'sC5 said the springs should be yellow if it is stock.
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Old Sep 4, 2010 | 09:26 AM
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Originally Posted by 0331MARINE
Ever find out what springs are on the car? Like ColeTrain'sC5 said the springs should be yellow if it is stock.
no clue...
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Old Sep 4, 2010 | 03:11 PM
  #23  
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Uhhhhhhhhhhhhhhhh....



I can tell you what you'll probably be dealing with in the long run, but my book isn't completed yet.
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Old Sep 4, 2010 | 04:24 PM
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Originally Posted by tricep
Uhhhhhhhhhhhhhhhh....



I can tell you what you'll probably be dealing with in the long run, but my book isn't completed yet.
As far as broken parts?
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Old Sep 10, 2010 | 01:03 AM
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Another $1,000 later and car runs again! Here is the damage:

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Old Sep 10, 2010 | 01:26 AM
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From the first picture the springs look like stock LS1 springs. Could by why it broke....
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Old Sep 10, 2010 | 04:30 AM
  #27  
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Originally Posted by swollix
Another $1,000 later and car runs again! Here is the damage:


That is not what a 2002 stock valve spring looks like. The LS6 valve spring in a 2002 was yellow.

If Photobucket wasn't dead in the water right now, I'd post up. Didn't matter anyway, so I guess there's no point.

The 2004 LS6 spring was a brown-copperish kind of color.


I'm not sure why yours is black like that. Either it's covered with oil, or it's from an LS1.
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Old Sep 10, 2010 | 09:01 AM
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Originally Posted by tricep
That is not what a 2002 stock valve spring looks like. The LS6 valve spring in a 2002 was yellow.

If Photobucket wasn't dead in the water right now, I'd post up. Didn't matter anyway, so I guess there's no point.

The 2004 LS6 spring was a brown-copperish kind of color.


I'm not sure why yours is black like that. Either it's covered with oil, or it's from an LS1.
I have no clue guys.. They are all a dark metal color with some kind of faded paint markings on them. I am only the 3rd owner of this car, 09/01 build date.
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Old Sep 10, 2010 | 09:30 AM
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Can you get a casting number off one of the heads?

Maybe one of the first two owners had a problem and replaced the heads.
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Old Sep 10, 2010 | 05:00 PM
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Yup, looks like you got lied to an screwed here.
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Old Sep 10, 2010 | 05:02 PM
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My vote is this was a H/C car that was put back to stock, and the heads were replaced with much cheaper LS1 castings and thrown back together for sale. I WOULD NOT run the car like that. You'll just run into the exact same problem again and again and again.
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Old Sep 10, 2010 | 08:44 PM
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Heads are 243 casted... Car put down 375/338 so all the power is there.
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Old Sep 11, 2010 | 12:01 AM
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Here's a pic of an LS6 2002 stock OEM broke-*** valve spring.

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Old Sep 11, 2010 | 12:08 AM
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Originally Posted by swollix
Heads are 243 casted... Car put down 375/338 so all the power is there.
338 is a really low torque number in relation to the HP, something going on there.
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Old Sep 11, 2010 | 08:40 AM
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Originally Posted by swollix
Another $1,000 later and car runs again! Here is the damage:
Did you get all of the valve springs replaced, or......? If you did what kind did you buy? Good luck.
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Old Sep 11, 2010 | 10:20 AM
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Originally Posted by Pete W
Did you get all of the valve springs replaced, or......? If you did what kind did you buy? Good luck.
replaced them all with COMP 918's.
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Old Sep 12, 2010 | 12:28 AM
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You'll be fine with those then. They were very good to me when I had the stock heads on. They saw 7k rpm (aftermarket cam motor) and they never had an issue. Good to hear that. I am guessing you will be good to go for another 100k miles.
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