C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 20, 2026 | 05:26 PM
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Any fitment issues with Doug’s D350 ceramic headers and AFR Eliminator 180 heads in a 1973 L-82? I understand AFR heads are somewhat raised ports. Will that fitment be a problem under the car collectors and exhaust in terms of closeness to body?
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Old Mar 20, 2026 | 05:54 PM
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My 82 has Blueprint 1/2 inch raised exhaust port heads and Doug's D350 headers. Great fit ! You won't have any issues with fitment.
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Old Mar 20, 2026 | 06:53 PM
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this I have those going into sidepipes, with GM crate motor, raised port aluminum heads and angled plugs, fits fine no issue.
correction I don’t have the ceramic coated ones, not that I think it matters much.
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