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241's on a 5.3 * Need help quick!*

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Old 09-22-2011, 06:21 PM
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run LS1/6 headgaskets they $40 a pair part #12498544
i used them when i did my head swap

Since you have the heads off may as well change lifters n trays to be safe
Your probly gonna need shorter pushrods since you milled the heads

Last edited by grey matter 04; 09-22-2011 at 06:29 PM.
Old 12-21-2011, 03:20 AM
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I put these heads on my 5.3 milled .040 also a valve Job with a 227 cam and I love it !
Old 12-21-2011, 03:29 AM
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