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Old 06-02-2014, 03:07 PM
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JeffLee JeffLee is offline
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A better (newer) 4 bbl for my Y-Block

It's time to get a new carburetor for my y-Block.
I have a mildly upgraded 272 Y Block in my '54 F100. It has been balanced and rebuilt by Ted Eaton using big valve heads and a mild cam upgrade. I am using the FORD ECZ-9425-B intake manifold. It is used for cruising and towing a boat, so I don't want a fire breathing dragon, and fuel economy is nice. The current 600 cfm Carter AFB Quadrajet has seen better days and is leaking at the throttle shafts.

I am considering trying one of the Demon Fuel Systems "Street Demon 625 cfm" #1900 4 bbls. Does anyone have any experience with this carb on a Y-block?? Does it have the large vacuum port for the Y-Block PCV system hose?
Any other carbs I should be considering that offer simplicity with a combination of performance and economy?
Thanks and regards, Jeff
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