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Old 05-14-2009, 10:19 AM
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bubbahotep bubbahotep is offline
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Bogie, carb is a 3310 which is a 4150 holley I think? Vac secondaries , 750cfm, no choke mechanism but the choke plate is there, on an automatic 2004r. The only thing ever changed was the power valves about 15 years ago. Everything else is stock holley. The powervalves I understood you tested them by trying to stall the car with turning idle screws way in. Stall means valves are good. They should not affect idle anyway I thought?

Jets are stock and I don't know what they are offhand

I have no off idle stumble, no dead spot. It just seems a bit choppy to me at 1000rpm idle when I used to be at 800 and not as choppy (even though I had the plates too far open). I'll be checking my plugs tonight
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