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-   -   Holley Pro-jection 4Di 900cfm carb settings (http://www.clubcobra.com/forums/texas-cobra-club/12224-holley-pro-jection-4di-900cfm-carb-settings.html)

Alan Schup 11-09-2001 09:19 AM

Holley Pro-jection 4Di 900cfm carb settings
 
I've emailed Holley support, but I will ask the question here as well. I have the pro-jection carb that runs too rich for street driving and I am getting mixed results by tinkering with the MAP graph, putting a transition below 3000 rpm. Does anyone have a ECU map file or know of a few data points that is close to a stoichiometric fuel mix for a Ford 428? I'd like to know where the stoichiometric is so that I stay at least 10% rich above it. Remember that the "duration offset" value increases/decreases the overall injection volume over the entire range, so if you supply MAP data points, the duration offset value also needs to be given.

Other than running rich at baseline values, what is your opinion of the Holley Pro-jection carb?:confused:


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