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U have a stock POS Motorcraft 4bl on my 77 460 and when I stomp it the rear barrels aren't opening. Or the flap isn't. What is the problem? It is hooked up and everything.
[font color=blue]1977 Ford F-150 Explorer 2x4 (460)
[ul][li]Flowmaster 40-Series with 2.5 inch aluminized duals
[li]14in Edelbrock chrome air cleaner
[li]P275 60R 15 tires
[li]Jensen CD player with 6 speakers (subs & an amp on the way)[/ul]