Thread: Valve Seat Recession
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Old 01-21-2004, 06:18 AM
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Join Date: Jan 2004
Location: Leicester, UK
Cobra Make, Engine: Metaline 1969 Ford 390 bored to 402ci
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Default Valve Seat Recession
Hi,

I've reacently bought a cobra with a 1967 Ford 428ci.

I'm assuming this will not work well on straight unleaded Lead Replacement Petrol (Available in UK still) or an additive with normal Ron 95 (95 Octane) unleaded.

I guess it would need a higher Octane level than 95 but will it suffer from valve seat recession?

Thanks for any help

Paul
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