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Actual output of an LS1 in a 1998 Z28

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Old 12-01-2012, 06:11 AM
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Default Actual output of an LS1 in a 1998 Z28

Hi guys,

I have heard different outputs in power for the LS1 in a 1998 Z28, 305 for the Z28 and 320 for the SS is what I've heard.

In the Corvette at the same time with an LS1 was 345.

Is this correct?

Thanks guys
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Old 12-01-2012, 08:34 AM
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https://ls1tech.com/forums/new-ls1-owners-newbie-tech/213148-jrp-s-faq-commonly-asked-questions.html
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Old 12-01-2012, 09:26 AM
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Thank you
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Old 12-01-2012, 12:11 PM
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Here is another more recent thread on this:

https://ls1tech.com/forums/general-l...orsepower.html

In summary, your '98 LS1 came stock with an actual ~345hp. The 305hp rating is just marketing fabrication.
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