Re: Holley List 2687 Carb
The "Mystery Motor" List #2687 is listed in Colvin's book as "1963 427/430 HP Manual Trans." Not a lot of other info besides having a #3825 Front Metering Plate and a #3827 Secondary Metering Plate and center hung floats. It would be interesting to take a set of dial calipers and measure the throttle plates and then the Venturi diameter around the boosters. Then we could figure out the exact CFM of these.
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1962 Biscayne O-21669 MKIV/M-22
1962 Bel Air Sport Coupe 409/1,000
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