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Carbed 6.0 fluttering at half pedal

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Old 04-03-2018, 09:28 PM
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Default Carbed 6.0 fluttering at half pedal

Hey boys, long time reader, got a problem need some help with, have a 2003 6.0 in a 85 camaro, has a msd 6014 box and a new Holley carb intake setup, new crate motor, idles great and full throtle is good, but at half throttle it flutters and some what pops/stumble, any ideas will be greatly! Appreciated.....have tried new crank sensor and moved coil and box grounds directly to the battery thanks
Old 04-03-2018, 10:09 PM
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You posted this twice. You might want to delete one; it's pretty easy.
Old 04-04-2018, 04:46 AM
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Vacuum leak ?

Timing
Filter set-up
Bad coil or ground
Old 04-04-2018, 05:32 AM
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Carb Tune?

Do you have an AFR?

I take it this is a new set up and the motor has always done this?
Old 04-04-2018, 03:01 PM
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Yea, AFR gauge would tell the tale, imo. Sounds like its going dead lean in transfer.




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