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Lq4 ?

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Old 04-13-2008, 05:28 PM
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Default Lq4 ?
I picked up a 6.0 engine for free, Need to know how to tell if it is a lq4 or lq9. I know about the vin# thing but I don't have a vin# Also It does have 317 heads. I have a head taken off, the piston has a slight dish to it but not sure what the difference is between the two to compare.
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Old 04-13-2008, 06:50 PM
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LQ9 will have flat tops. If they have a dish, she's an LQ4.
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Old 04-13-2008, 08:07 PM
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you have a 9:1 compression LQ4 on your hands

so... either mill the heads to up the compression if you plan on going N/A

or

Throw an FI setup on there...
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Old 04-13-2008, 08:55 PM
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Yeah thanks, I searched for some pictures and I do have a Lq4, I was just double checking. And yes it is getting FI
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Old 04-13-2008, 09:13 PM
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yea... i just got my LQ4 put in... it's awesome!

check out my sig
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Old 04-14-2008, 12:38 PM
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Originally Posted by Soul TKR


you have a 9:1 compression LQ4 on your hands

so... either mill the heads to up the compression if you plan on going N/A

or

Throw an FI setup on there...
The stock LQ4 CR is 9.41:1
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Old 04-14-2008, 12:41 PM
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Originally Posted by ss.slp.ls1
The stock LQ4 CR is 9.41:1
really? ok then... I stand corrected.
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