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Old Dec 6, 2003 | 07:37 PM
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Question LQ9 Question

Is the Cadillac Vortec HO 6000 LQ9 the same motor in the SS Silverado? And if so will regular 6.0 mods work with the LQ9?
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Old Dec 6, 2003 | 08:16 PM
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yes, the same, yes all the mods will work. only thing to think about is if you go with boost the lq9 is high compresion and wont take as much boost.
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Old Dec 6, 2003 | 09:02 PM
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The 5.3 has 9.5:1 compression and the 6.0 has 9.4:1 and the LQ9 has 10:1 so how much boost do you think it will take? I'd like to put a Radix on it and maybe +1-3 psi.
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Old Dec 6, 2003 | 09:08 PM
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The LQ 9 with the radix makes about 6-7 psi.
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Old Dec 6, 2003 | 09:36 PM
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6-7 psi no, no, no. MORE BOOST!!!!!!!
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Old Dec 6, 2003 | 09:38 PM
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Well, thats what it COMES with! There are ways to make it better!
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Old Dec 6, 2003 | 09:47 PM
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That's what I want to hear! Project R when I get my RADIX I'm going to YOU!
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Old Dec 6, 2003 | 09:51 PM
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Any time! Let me know when you are ready!
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Old Dec 7, 2003 | 01:05 AM
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you will be able to turn up the radix prety high but i would be suprized if you got over 8psi on an lq9 without running race gas. i think you would make more power with non race gas if you got the compresion down some.
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Old Dec 7, 2003 | 09:24 AM
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True, 8 psi on any supercharger will be pushing it. But 8 psi on the LQ9 will be awsome
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