LS1TECH - Camaro and Firebird Forum Discussion

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

question on LT1 heads.

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Old Aug 4, 2007 | 06:18 PM
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Default question on LT1 heads.
what casting numbers are good??? I've heard some are better then others??? i'll be porting them for a 383 stroker.
thanks.

P.S. if you run acrost any for sale tell them to PM me.
thanks again.
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Old Aug 4, 2007 | 08:19 PM
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pm sent
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Old Aug 14, 2007 | 12:33 PM
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Old Aug 14, 2007 | 12:38 PM
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Historically the castings that end in '374' and '643' are the preferred choice by porters because they provide more material to work with.

Word has gotten out that those are most desireable, and you're looking at spending $150 - $200 for them.
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Old Aug 14, 2007 | 01:22 PM
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cool thanks that helps.
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