LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

valve spring seats on stock heads, question?

Old Jun 24, 2005 | 10:25 PM
  #1  
snakethis69's Avatar
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valve spring seats on stock heads, question?

i am getting these new parts and want to upgrade springs as well. to do this right i want to get some springs that dont fit the stock seat. my question is what is uinvolved in enlarging the seats? can i do this myself? or do i have to pay for someone to do it?
Old Jun 25, 2005 | 01:48 PM
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Re: valve spring seats on stock heads, question?

You need a machine shop to do it, cutting the spring seats is done with a special cutter that pilots off the guide to keep everything concentric, I always do it in our sunnen so that all the spring pads are exactly at the same depth.
Old Jun 27, 2005 | 11:17 AM
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Re: valve spring seats on stock heads, question?

What "new" parts? Depends on how big your cam is when it comes to springs. If you go with a mild cam, you should be able to get strong eough springs that will fit your stock seats. JMHO
Old Jun 27, 2005 | 02:00 PM
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Re: valve spring seats on stock heads, question?

Originally Posted by BUBBA
What "new" parts? Depends on how big your cam is when it comes to springs. If you go with a mild cam, you should be able to get strong eough springs that will fit your stock seats. JMHO
Exactly. I have a .544"/.576" 230/242 cam with 1.6 rockers and I'm running Crane dual valve springs with titanium retainers...they fit right on the stock seats and good lord do they have some seat pressure.
Old Jun 27, 2005 | 05:41 PM
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Re: valve spring seats on stock heads, question?

i have the 224/230 on order xe grind
Old Jun 28, 2005 | 12:13 AM
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Re: valve spring seats on stock heads, question?

How 'bout the Comp 918 beehives for that cam. Many use them, and they'll fit stock heads.
Old Jun 28, 2005 | 06:00 AM
  #7  
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Re: valve spring seats on stock heads, question?

what does those run usually? i am on a budget and reaching my max rather quick lol
Old Jun 28, 2005 | 03:32 PM
  #8  
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Re: valve spring seats on stock heads, question?

Check 'em out here for $140 (springs only).
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