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Old Jul 29, 2012 | 06:41 PM
  #41  
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Originally Posted by redtan
I've done plenty of reading, and this is the first I'm hearing of a difference between a 243 off of an LS2 vs. a 243 of an LS6 being more than just the valves...that's why I'm asking.
The only person saying the castings are different is you.

You're hearing yourself...
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Old Jul 29, 2012 | 06:53 PM
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Originally Posted by redtan
I've done plenty of reading, and this is the first I'm hearing of a difference between a 243 off of an LS2 vs. a 243 of an LS6 being more than just the valves...that's why I'm asking.
Thats what the forum is for is to ask questions... If you dont know and dont wanna go threw all the forums just ask a question someone dont mind helping thanks for joining in
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Old Jul 29, 2012 | 08:13 PM
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To mike Morris he asked what's the difference between ls6 heads and ls1 he didn't day what's the differences in ls6 heads I no they come on several vehicles even the new 5.3 motors have 243s
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Old Jul 29, 2012 | 08:46 PM
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Originally Posted by redtan
I've done plenty of reading, and this is the first I'm hearing of a difference between a 243 off of an LS2 vs. a 243 of an LS6 being more than just the valves...that's why I'm asking.
There is none besides the valves. And factory 243 heads do have a D-shaped exhaust port.
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Old Aug 3, 2012 | 08:23 AM
  #45  
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ok, while everyone is arguing about the 243s... can we get back to the 799s in the equation. what the differences between these two heads?
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Old Aug 3, 2012 | 08:42 AM
  #46  
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Made in a different place and some say has more casting flash than 243. Same head.
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Old Aug 3, 2012 | 09:27 AM
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01 z06 243s had blue springs, and non sodium valves
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Old Aug 3, 2012 | 10:54 AM
  #48  
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so if i got some 799s and polished them and maybe port then, it would be a good budget investment right? im going to be boosting my ls1 with 8lbs of boost rear mounted. keeping it a simple budget build.
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Old Aug 3, 2012 | 11:54 AM
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You could get some 317s pretty cheap, lowers the compression a bit, work well for fi
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