Thread: using 305 heads on a 400 sbc
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04-06-2003 07:31 PM #7
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- Join Date
- Feb 2003
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- La Salle
- Car Year, Make, Model: 65 Pontiac Tempest Custom 2 door hardtop
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You need steam holes and be sure you have the right head gasket. FelPro sells performance gaskets for small block 400's but they are not recommended for extended use under 3000 RPM. Just use their standard gasket. Ditch the 305 heads. Sell them to somebody with a 305. Anything from a 350 or 400 with 76cc chambers and steam holes will work. If they don't have steam holes have an engine shop drill them.they're not just 'holes.'
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39 views and no answers, a real active crowd.
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