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Lq9 engine the same as the ls1?

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Old 02-28-2007, 08:39 PM
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Default Lq9 engine the same as the ls1?

Is this true?
The LQ9 is 100% compatible with the LS1 and LS6 as far as parts go (intake, heads, headers, cam, crank, etc.)
Old 02-28-2007, 08:58 PM
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yes all parts are interchangable.... everything on the list that you have, I dont know about the crank though

I see you are from houston? what side of town are you from?? you go to the track often??
Old 02-28-2007, 09:13 PM
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Alright because i have been searching alot on the net bout my truck and that came up a few times. oh yea man im live in Katy but i used to live in the southwest side of Houston! i havent been to the track in a while because i want to get a few modz first. what track do u go to? The one in Baytown or Sealy?
Old 02-28-2007, 10:07 PM
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parts are interchangeable but they are not the same motor

the ls1 is aluminum block 5.7L vs. the lq9 iron block and 6.0L among other things, different heads etc.
Old 02-28-2007, 10:56 PM
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5.3, 5.7, 6.0 use the same stroke crank
Old 03-01-2007, 12:37 PM
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Originally Posted by dirt_track_racer_81
5.3, 5.7, 6.0 use the same stroke crank
They are the same stroke but I believe they are different part numbers. I thought I read somewhere that the LQ9 crank is drilled and balanced differently to compensate for the heavier rods and pistons.
Old 03-01-2007, 08:19 PM
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alright guys thanks! now the search for truck parts can start
Old 03-01-2007, 09:49 PM
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we'll be at HRP in baytown tomorrow, come on out....
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