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LS3 Parts Fit LS1?

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Old Sep 4, 2010 | 09:20 PM
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Default LS3 Parts Fit LS1?

I have a chance to buy an intake manifold ,valley pan, intake filter housing with filter and engine fuel rail from a 2008 LS3. for $300.
Would this fit my 98 LS1 and would it be worth it.
I know the valley pan has the new type pcv system.
The intake comes with the fuel rails and fuel injectors.
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Old Sep 4, 2010 | 09:23 PM
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The ports are different. LS3 ports are square. LS1/LS6 have cathedral ports. So no go.
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Old Sep 4, 2010 | 11:06 PM
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Originally Posted by 0331MARINE
The ports are different. LS3 ports are square. LS1/LS6 have cathedral ports. So no go.
How about the valley tray?
it got the new pcv system.
My 98 still not modded.
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Old Sep 4, 2010 | 11:07 PM
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Originally Posted by Dale002
How about the valley tray?
it got the new pcv system.
My 98 still not modded.
Not sure about the tray. I would think not. I could be wrong.
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Old Sep 5, 2010 | 04:08 AM
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Try won't work. The knock sensors on the Gen 3 are in the valley whereas the Gen 4s were moved somewhere else.
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