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What lead additive can you suggest for our 1977 MG Midget?

We have a 1977 MG Midget owned from new with 45,000 miles on the clock. The engine is original and we've been using Castrol Valvemaster Plus additive. However, this is no longer available. Apart from having the valve seats hardened, what alternative additive can you recommend?

Asked on 12 February 2018 by Peter J Longmate

Answered by Keith Moody
Have a look at Millers' VSPe. It's an octane booster, helps prevent valve seat recession and has additives to combat fuel system corrosion. It's about the same price as Valvemaster. If you need something a bit more affordable, you could try Redex lead replacement fuel additive.
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