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LS1 block differences?

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Old Nov 21, 2004 | 02:44 PM
  #1  
383 LT4's Avatar
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From: Prescott, AZ
LS1 block differences?

Are there any differences in the LS1 block from year to year? I have a 99 LS1 in my 2001 WS6 and the 2001 LS1 on the engine stand. I am going to build the 2001 LS1, but just wondered if there are any differences in the years of blocks.
Old Nov 21, 2004 | 04:34 PM
  #2  
BirchMan98z's Avatar
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Re: LS1 block differences?

no differences in ls-1 blocks, but some 01-02 cars got an LS-6 block from the factory.
Old Nov 21, 2004 | 04:48 PM
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Re: LS1 block differences?

you couldnt bore a 98 ls1 out but about 0.05 (i've heard of 0.10 although). I *think* the 99-02's are the same.
Old Nov 21, 2004 | 04:56 PM
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Re: LS1 block differences?

i thought it was an LS6 Intake.....not block
Old Nov 21, 2004 | 05:00 PM
  #5  
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Re: LS1 block differences?

Yeah, I knew about the LS6 block in some 01's and 02's but I was unsure about the LS1 block.
Thanks
Old Nov 22, 2004 | 02:30 AM
  #6  
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Re: LS1 block differences?

Originally Posted by Knowklew
i thought it was an LS6 Intake.....not block
no, ALL 01-02's got the ls-6 intake, but something like 10-25% of 01-02's got an LS6 block as well, it doesn't make more power than any other fbody.
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