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Casting Number Questions

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Old Aug 16, 2009 | 07:21 PM
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jjthideman_23's Avatar
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Casting Number Questions

I don't know if this is where I should post this but I can't find the valve sizes for my engine. I tried checking Mortec but they didn't have anyting for me.

Casting Numbers:
Head-3998993
Block-3970014

I know it's a 350 with 75cc combustion chamber but I can't find any more than that.

Thanks ahead of time,
Josh
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