LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 heads

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Old 01-22-2009, 07:38 PM
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i have a set of lt1 heads with casting number 12551561 are they worth any thing i heard some are good and some are junk heads just curious i might be selling them

jordon
Old 01-22-2009, 07:40 PM
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If they are in good shape you might be able to get a $100-200 bucks for them..
Old 01-22-2009, 07:46 PM
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561s work just fine, they can be used as-is or ported.
They simply don't have as much meat in them, making them somewhat less desirable as ported heads.
One of the local guys just had a set done up as LE2s and they came back flowing 280cfm.

$150-175 is typical for a set in good shape. (IE: nothing stripped or banged up)
Old 01-23-2009, 09:34 AM
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yep 561's have less material on them so they require a little more care when porting and can't be ported quite as much as the thicker castings.
Old 01-24-2009, 10:35 AM
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thanks for all the info



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