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Thread: ls1 to ls6 conversion help.
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01-13-2010, 09:39 PM #1
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grey- 1974 chevy nova
ls1 to ls6 conversion help.
I was wondering if its possible and id so how to change a 2002 ls1 motor to an ls6 i know the difference is the heads and cam, but i was wondering if theres more to it....
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01-14-2010, 06:39 AM #2
The block it self is slightly different, a stronger alloy, and better oiling/scavenging... I've been told the better oiling is good for about 5-10hp, but the main difference is the heads and cam.
I'd look at getting a set of ported/polished and milled 243 heads and around a 224 114lsa cam if you want a very good bump in power but stock manners and sound. If you want alittle choppy idle and a little bigger bump in power I'd look at a 228 112lsa cam
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01-17-2010, 12:32 PM #3
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grey- 1974 chevy nova
thank you... because the ls6 is a slight stronger than the ls1 does that mean that it might be to much power for it? or should i be fine...
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01-17-2010, 01:16 PM #4
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01-17-2010, 01:25 PM #5
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- May 2006
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Light Pewter Metallic- 2K Camaro Z28
Check if you have the LS6 block already. Majority of the 02 models have them so all you need really is the LS6 heads not 243 heads and a later Z06 cam. If you haven't informed already you also have LS6 intake being a 02 model.
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01-19-2010, 02:58 PM #6
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- NC
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SOM- 1998 T.A.
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01-19-2010, 03:02 PM #7
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01-20-2010, 02:53 PM #8
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SOM- 1998 T.A.
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01-20-2010, 03:52 PM #9
Posted some pictures of the block and head differences along with some minor changes I knew of in this thread.
http://www.ls1.com/forums/showthread.php?t=127127370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator
Build in progress...
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01-21-2010, 05:23 AM #10
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01-24-2010, 08:19 PM #11
You have to have your PCM reflashed with a calibration for an LS6...
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01-27-2010, 03:28 PM #12
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- Dec 2006
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Sebring Silver Metalic- 2002 Camaro Z28
did any one mention the valley cover? The LS1 doesn't have that fancy cool LS6 valley cover, . I didn't notice any one mention that.
you may find this a good read. i loved it. someone was kind enough in one of my threads to share it with me.
http://www.cadillacfaq.com/faq/answe...s6-article.pdf
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01-27-2010, 11:06 PM #13
While EVERY Gen III motor is dominate to convensional SB motors, the LS6 does have its advantages. Here is a few that I've searched out and found to be true. While I type this....the LS1 block is just fine for damn near every practical purpose. If your not a hardcore drag racer, you more then likely won't benefit from a different block.
A: LS6 Block is stronger
B: LS6 Block is slightly different color (Darker in color)
C: #12561168 part number for the LS6 block found behind the Driver side head ( will need a mirror and some good angles to see, easiest when the head is off)
D: LS6 block has 87% more ventilation versus an LS1 block between the rod/crank webbing resulting in decreased crankcase pressure and increased piston ring sealing.
E: 15% of 2001's got the LS6 block, 25% of 2002 got the LS6 block
F: LS6 block is made with different aluminum, which is why the color difference. Increases strength and weights less then LS1
G: Power increase over LS1 is said to be between 5 - 15 rwhp depending on who you talk to.
H: LS6 block has approximately 500 more usable RPM's due to the ventilation.
I: LS6 uses a different casting process then the LS1 resulting in tighter tolerances all around.
J: LS6 has better oil flow at higher RPM's resulting in less internal wear.
Thats all I can remember off hand. YOU WANT THE LS6 if you can find it, far superior block. I was lucky enough to find out I had one when I pulled the Heads off to do my H/C.
Part number for LS6 intake off of F-Body is #12561184
Part number for LS6 intake off of Z06 is #12573572┌∩┐(◕_◕)┌∩┐
Man: The Mods you are fighting,
they are the biggest Men I have ever seen. I
wouldn't want to fight them!
Me: That is why no one will remember your name!
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01-28-2010, 01:13 AM #14
You could do much better with aftermarket for less money...
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01-28-2010, 07:29 AM #15
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01-28-2010, 09:58 AM #16
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01-28-2010, 10:00 AM #17
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01-28-2010, 02:35 PM #18
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red- 2000TA
is 24 or 58 on the crank wheel?
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01-28-2010, 03:09 PM #19
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01-29-2010, 05:09 AM #20
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