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Generation IV Internal Engine
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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

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Old

Feb 25, 2019 | 12:15 PM

#1

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New to ls1's suggestions

New to the ls world, I have a 99 ls1 gen4 out of a Chevy 1500 truck, I'm swapping it into my 98 k1500 4wd, trying to go reliable turbo build as daily and work truck, putting all new rod bearings, main bearings, rod bolts and main bolts and new head gaskets and head studs all arp, need help to make sure I'm getting the right stuff, and trying to decide what headgaskets to run, tips?? Suggestions???

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Feb 25, 2019 | 12:17 PM

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Its neither a gen 4 engine nor an LS1.

Head gaskets will depend on which engine it is. If its a 5.3, just run new gen 4 5.3 gaskets.
If its a 6.0, consider LS9 gaskets.

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Feb 25, 2019 | 12:32 PM

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Quote:

Originally Posted by JoeNova

Its neither a gen 4 engine nor an LS1.

Head gaskets will depend on which engine it is. If its a 5.3, just run new gen 4 5.3 gaskets.
If its a 6.0, consider LS9 gaskets.

everywhere I looked it kept saying saying gen 3 or gen 4 and when I ran the vin it said gen 4

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Feb 25, 2019 | 12:32 PM

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Gen 4 small blocks didn't start until 2005 in cars and 2008 in trucks.

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Feb 25, 2019 | 12:34 PM

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I'll go back through the steps and double check on what gen it is

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Feb 25, 2019 | 12:42 PM

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Quote:

Originally Posted by JoeNova

Gen 4 small blocks didn't start until 2005 in cars and 2008 in trucks.

its a gen 3 lm7

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Feb 25, 2019 | 12:47 PM

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I would just get new style 5.3 OEM head gaskets.

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