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Conversions & Swaps LSX Engines in Non-LSX Vehicles
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LQ9 IDENT fast!

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Old 11-11-2011, 09:29 AM
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Default LQ9 IDENT fast!
Im about to look at a lq9 for 1000. How can I be sure its an lq9?? It has 317 heads
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Old 11-11-2011, 09:35 AM
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Pull plug

Get long skinny flat head screwdriver.

Stick long skinny flat head screwdriver into plug hole.

If you feel a ridge on the piston it's LQ4 (low compression) if it feels completely flat across top of piston is LQ9 (high compression).
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Old 11-11-2011, 03:17 PM
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It may also have "Vortec Max" engine covers.
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Old 11-11-2011, 04:43 PM
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it would stamped on the block front and rear also.
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