NC85ST Posted May 4 Report Share Posted May 4 On 4/30/2026 at 11:39 AM, Carl Handratty said: Are you running the 1.6L in your 521? No. I’m running an L20b, with L16 exhaust manifold, stock L16 carb, ‘79 electronic ignition and z-car 5-speed. I had a ‘73 620 with a 215ci Buick aluminum v-8, 4bbl, 4-speed and 9 inch Ford 4.11 rear end. That was a fun truck. Quote Link to comment
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