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Re: off-idle stumble



Thank you. That was the first thing I checked ... it's new, as is the 
rigid air horn and the end pieces and clamps. They were all cracked 
and hardened when we resuscitated the engine and put the car together.

Godfrey

>Check the air-intake hose that runs across the engine from the air
>filter box to the intake plenum. It should be clamped firmly at each end
>and have no cracks or holes. When you accelerate, the engine rocks,
>stretching the hose. If it is loose at the connections or has flaws,
>these will open up and allow air in. Being downstream of the air-flow
>meter, the extra air will lean the mixture.
>
>Paul Rollins

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