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Re: Question on lean condition
Does this engine have the air meter (MAF, or mass airflow sensor)?
If so, try unplugging it. Does the engine run a lot better? Then you're MAF pipe needs help, some kind of air straightener, etc. Or just run it with the MAF disconnected in speed density mode, I think that's a valid choice too.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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