5.3 heads for 6.0 motor

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04-16-2011, 03:30 PM

DPRock

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5.3 heads for 6.0 motor

I'm planing on a 408 stroker what's the casting numbers on the 5.3 heads I should run the 6.0 is a 03 motor

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04-16-2011, 03:33 PM

DarknessHunter

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5.3 have 706s i have a set in my garage

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04-16-2011, 07:54 PM

DPRock

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How much and has anything been done to them

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04-16-2011, 09:38 PM

DarknessHunter

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shoot me an offer and nope they are stock

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04-17-2011, 09:58 AM

txh0tb0i972

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if you are building a 408 IMO some ported 5.3 heads wont due the job! id say some ported and milled 317s ls6 or l92/ls3

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04-17-2011, 11:03 AM

jb7241986

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Agreed with santana 5.3 heads wont be good for a 4.030 bore. Not the optimum head for that motor. Ls3 or l92 heads the way to go.

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