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Old 05-22-2007, 01:43 PM   #1
1fast71
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Thumbs down LS9 HP rating?

so i found this sheet n my truck that said i have a LS9 350 i knew it was a 350 already but yeah it was pretty cool to kno that its a LS9 so its a 71 4 barrlel to so anybody kno the hp rating?
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Old 05-22-2007, 02:08 PM   #2
Joe67
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Re: LS9 HP rating?

Does this help?
http://www.chuckschevytruckpages.com/enginespecs.html
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Old 05-22-2007, 02:16 PM   #3
1fast71
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Re: LS9 HP rating?

thanx im still not sure if thats accurate though because my trucks a 72 and that goes 73 and up
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Old 05-22-2007, 03:27 PM   #4
uncle
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Re: LS9 HP rating?

If it's a 71 engine it's rated at 255hp.
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Old 06-01-2007, 03:34 PM   #5
1fast71
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Re: LS9 HP rating?

yeah i ment 71 lol i always do that mistake somtimes
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Old 06-01-2007, 05:05 PM   #6
Blazer1970
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Re: LS9 HP rating?

'71 350 4bbl was rated at 255 gross hp. The same engine for 1972 was rated at 175 net hp.
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