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Quick question on LS3

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Old 02-21-2008, 02:47 PM
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Default Quick question on LS3
I noticed that the LS3 shares the same head design as the Ls7 and l92. I suppose this means that my AFRs won't fit huh?
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Old 02-21-2008, 02:56 PM
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The LS3 heads and L92 heads are the same. AFR heads will fit on the block, you'll just have to switch to something like a FAST intake.
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Old 02-21-2008, 03:00 PM
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I already have a FAST 90/90 on the car. Thanks.
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Old 02-21-2008, 07:13 PM
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unless you've got a block that's 4.00" or larger, you can't use them anyways.
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Old 02-21-2008, 11:25 PM
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Originally Posted by drain89
unless you've got a block that's 4.00" or larger, you can't use them anyways.
you mean 4" stroke? I am confused. What can't you use?
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Old 02-22-2008, 11:40 AM
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4" bore. stroke doesn't matter
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Old 02-24-2008, 09:13 PM
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Originally Posted by drain89
unless you've got a block that's 4.00" or larger, you can't use them anyways.
I think hes asking if he can use his AFR heads and Fast manifold on an LS3 block.
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