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Old 04-11-2013, 07:47 PM
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305 or 350 SBC heads?

I have a 1991 305 TBI with a burnt head gasket.Head # 14102187.I have a set of 350 heads #10239906.Which would be best to rebuild for dependability?This is just a daily driver,high performance doesn't matter unless the best head happens to do both.Thanks in advance.

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Old 04-11-2013, 08:26 PM
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Have the 305 heads done and milled flat. The other set will require more work $$$$ and intake manifold.
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Old 04-11-2013, 09:25 PM
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Have the 305 heads done and milled flat. The other set will require more work $$$$ and intake manifold.
Please explain.The 305 is a 1991 and the 350 is a 1996. I didn't check but I thought they had the same intake pattern.Or are the 350 heads Vortecs?
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Old 04-11-2013, 09:46 PM
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Yes the 350's are Vortec and have larger chambers.
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Old 04-11-2013, 10:22 PM
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Yes the 350's are Vortec and have larger chambers.
Thank you very much,I just remembered they are Vortecs,but I didn't know they had bigger chambers.Thanks again.
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