Unique Cars

Morley says...

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G’DAY IAN. I’ve spent a bit of time up around Moree in my time, so I know for sure that it gets mighty warm up that way.

Anyway, I got in touch with Mick who reckons the solution to your problem is not rocket science, but good old fashioned science just the same. He reckons your problem has its root in the fact that modern fuels like the E-10 you’re using have a smaller molecule than convention­al old-school fuels. Throw in the fact that E-10 has a percentage of alcohol (ethanol) in it, and suddenly, you’ve got a fuel that is quicker to boil, or vaporise, at which point your engine develops a bad case of the staggers.

So what do you do about it? Mick tells me there are a couple of weekend projects you need to carry out. The first is to change the fuel line from its current 5/16ths of an inch diameter to a 3/8ths line. That’s not a huge jump up, but it will mean there’s more fuel in the line and that means it’ll take longer to boil. Remember old fashioned electric kettles? Fill them right up and they took forever to boil, but switch them on with just a cupful of water in them, and they’d be whistling in seconds. Same science.

The other thing to do is have the inlet manifold ceramic coated which helps keep the heat out of that component. It’s all about managing heat and keeping the fuel in the line and in suspension in the manifold from vaporising. If you can’t find somebody up your way who can do ceramic coating, hit the phone book for the big smoke; you’ll

“WITH PLAYBOY BUNNIES ON THE FRONT GUARDS”

find there are plenty of mobs who can help you out. Just probably not on an exchange basis when it comes to a 1956 Inter.

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