do i have a ls6 block?
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do i have a ls6 block?
I was wondering if i had a ls6 block in my 02 ta it doesnt have the bullseye its smooth and the block numbers start with 881188 or something like that i couldnt read them that good any info would help
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the ls6 block casting number is 12561168 ...ne thing else is a ls1 block... i did a quick search and thats what i found, i assume its correct info...
check out this link... searches bring up a ton of info on this site ...
https://ls1tech.com/forums/showthrea...ight=block+ls6
FWIW... the ls6 block doesn't give you any better performance then the ls1... if anything, its just bragging rights.
check out this link... searches bring up a ton of info on this site ...
https://ls1tech.com/forums/showthrea...ight=block+ls6
FWIW... the ls6 block doesn't give you any better performance then the ls1... if anything, its just bragging rights.
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maybe those eights are sixes i couldnt make em out very well i read all the posts about it and didnt know if that was a ls1 block casting number yeah thats mainly what i want is bragging rights
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also, the difference between an ls6 and ls1 is a few passages to provide better oiling. there are alot of rumors as to what the differences are but the passages seems to be pretty constant.
Last edited by LS1>girlfriend; 03-11-2008 at 10:39 PM.
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yeah i know were its at thanx i was just wondering if i read the numbers right because all the ls1 numbers i have seen didnt come close to that and the ls6 numbers are close i was just wondering if i just thought the 6s were eights
#14
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How to tell if you have an LS6 Block
15% of 01s and 25% of 02's got the LS6 Block. The only way to tell 100% is to check the casting number. As you can see in the above pic (my ls6 block ) the casting number is at the top of the deck on the drivers side. Take a mirror and place it behind the block and check or jack up the car and attempt to look from the bottom. The "easier" ways are the casting hue and bulleye methods but none are conclusive. If you really want to know if you have the block you'll need to do the work and look for yourself, end of story.
Once you have determined if you have an LS6 block (ya you), then the only benefit to the block are the bay windows.
Its generally accepted from most engine builders that if your going for an extreme setup that the LS1 block offers more structural strength over the LS6 block.
THE LS6 BLOCK DOES NOT INCREASE HP, REPEAT AFTER ME "IF I HAVE AN LS6 BLOCK IT DOES NOT INCREASE POWER". LEARN IT, SAY IT, REPEAT IT.