General Category > Quadrajet Carb Talk and Tips

Q-Jet jet question

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NewBird:
Hi,
My FB  350 engine has been rebuilt 30 over with a HO cam. What would be a good jet size ( larger than stock) to start with for the 69 carb(7029268).

The engine is currently running lean and I was thinking of using larger than stock jets. Any suggestions would be appreciated.

Thanks
Sam   

omaha:
   where is it lean? at cruise or during acceleration. If its cruise you could go with smaller primary rods.

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