Forced Induction Superchargers | Turbochargers | Intercoolers

LQ4 or LQ9

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Old Sep 30, 2011 | 05:48 AM
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Default LQ4 or LQ9

What's better for boost? I have a lq4 in my garage just want to do this right. I hear these motors stock w a Turbo will push out some major HP numbers but only time will tell
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Old Sep 30, 2011 | 06:27 AM
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both are basically the same, the lower compression will let you run a lil more boost on pump, but the higher compression of the lq9 will help spool the turbo just a lil faster

either one will work lol
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Old Sep 30, 2011 | 07:05 AM
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The LQ9 has better rods unless the LQ4 is a 05' newer engine.
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Old Sep 30, 2011 | 09:09 AM
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the LQ4 i have is from an 03 Denali i was told. Well both should work well. I hear that even a stock 6.0 will be nasty with a turbo that the bottom ends hold up really well.
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Old Oct 16, 2011 | 02:52 AM
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if it really came out of an 03 denali then it is an lq9. the lq9's came in silverado SS's, denalis, and escalades
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