Vortec 8.1 HO 525HP

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03-22-2006, 12:37 PM

caboose

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Vortec 8.1 HO 525HP

How long has GM been producing this Vortec 8.1 HO 525HP? See link below.

http://www.marinepowerservice.com/En...%2B%20%20525HP

03-22-2006, 12:41 PM

CigDaze

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Re: Vortec 8.1 HO 525HP

That's the HP3 version, or "Vortec" engine used in racing.
I think it was first used in late 2001 or early 2002.

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