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1969 Shelby 428 CobraJet Ported vs Manifold Vacuum & Vacuum Advance Diaphragm Impact & Testing Manifold Vs Ported Vacuum

Last updated: Saturday, December 27, 2025

1969 Shelby 428 CobraJet Ported vs Manifold Vacuum & Vacuum Advance Diaphragm Impact & Testing Manifold Vs Ported Vacuum
1969 Shelby 428 CobraJet Ported vs Manifold Vacuum & Vacuum Advance Diaphragm Impact & Testing Manifold Vs Ported Vacuum

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