408 ignition curver advice

partsmonsta said
You're over thinking this.
Your problem is your Carb.
Despite being a 408, an 850 is too much Carb.
And your sluggishness is typical of too much carb.
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You would be outright amazed at the pickup in your car once you switch to a healthy 750 cfm.
You may even pick up on the top end.
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What do you base this on? Many of us with 408's have found quite the opposite, in fact, mine pics up considerably with a 950 over an 850. I'm not looking to start an argument. I just wonder if this is your opinion, or do you have empirical data to support this?